Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots

Students can use the Spectrum Math Grade 8 Answer Key Chapter 2 Lesson 2.3 Cube Roots as a quick guide to resolve any of their doubts.

Spectrum Math Grade 8 Chapter 2 Lesson 2.3 Cube Roots Answers Key

The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 27 is 3: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 1$ = 3.
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Identify the cube root.

Question 1.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 3$ = _____
Answer: 12
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 1728 is 12.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 3$ = 12
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 4$ = _____
Answer: 9
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 729 is 9.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 4$ = 9
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 5$ = _______
Answer: 35
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 42875 is 35.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 5$ = 35
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 2.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 6$ = _______
Answer: 15
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 3375is 15.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 6$ = 15
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 7$ = _____
Answer: 8
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 512 is 8.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 7$ = 8
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 8$ = _____
Answer: 25
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 15625 is 25.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 8$ = 25
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 3.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 9$
Answer: 20
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 8000 is 20.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 9$ = 20
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 10$
Answer: 5
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 125 is 5.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 10$ = 5
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 11$
Answer: 7
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 343 is 7.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 11$ = 7
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 4.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 12$ = _____
Answer: 2
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 8 is 2.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 12$ = 2
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 13$ = _____
Answer: 4
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 64 is 4.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 13$ = 4
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 14$ = _____
Answer: 10
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 1000 is 10.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 14$ = 10
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 5.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 15$ = ____
Answer: 3
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 27 is 3.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 15$ = 3
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 16$ = ____
Answer: 6
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 216 is 6.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 16$ = 6
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 17$ = ____
Answer: 40
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 64000 is 40.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 17$ = 40
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 6.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 18$ = ____
Answer: 50
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 125000 is 50.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 18$ = 50
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 19$ = ____
Answer: 70
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 343000 is 70.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 19$ = 70
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 20$ = ____
Answer: 60
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 216000 is 60.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 20$ = 60
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 7.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 21$ = ____
Answer: 1
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 1 is 1.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 21$ = 1
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 22$ = ____
Answer: 100
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 1000000 is 100.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 22$ = 100
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 23$ = ____
Answer: 30
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 27000 is 30.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 23$ = 30
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 8.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 24$ = ____
Answer: 80
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 512000 is 80.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 24$ = 80
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 25$ = ____
Answer: 90
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 729000 is 90.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 25$ = 90
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 26$ = ____
Answer: 200
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 8000000 is 200.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 26$ = 200
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Cube roots can be estimated by finding cube roots on either side of the desired root. $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 27$ is between 5 and 6 because $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 28$ is 5 and $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 29$ is 6. Therefore, $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 30$ is between 5 and 6, but closer to 5 because 130 is closer to 125 than it is to 216.
Fractions can also have cube roots. For example, $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 31$ = $\frac{1}{2}$ because $\frac{1}{2}$ × $\frac{1}{2}$ × $\frac{1}{2}$ = $\frac{1}{8}$

Find the cube root of each number.

Question 1.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 32$
Answer: $\frac{1}{4}$
Fractions can also have cube roots.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 32$ = $\frac{1}{4}$
because $\frac{1}{4}$ × $\frac{1}{4}$ × $\frac{1}{4}$ = $\frac{1}{64}$

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 33$
Answer: $\frac{2}{3}$
Fractions can also have cube roots.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 33$ = $\frac{2}{3}$
because $\frac{2}{3}$ × $\frac{2}{3}$ × $\frac{2}{3}$ = $\frac{8}{27}$

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 34$
Answer: 8
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 512 is 8.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 7$ = 8
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 2.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 35$
Answer: 0
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 0 is 0.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 35$ = 0
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 36$
Answer: $\frac{4}{5}$
Fractions can also have cube roots.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 36$ = $\frac{4}{5}$
because $\frac{4}{5}$ × $\frac{4}{5}$ × $\frac{4}{5}$ = $\frac{64}{125}$

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 37$
Answer: 1
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 1 is 1.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 21$ = 1
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 3.
a.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 38$
Answer: $\frac{2}{6}$
Fractions can also have cube roots.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 38$ = $\frac{2}{6}$
because $\frac{2}{6}$ × $\frac{2}{6}$ × $\frac{2}{6}$ = $\frac{8}{216}$

b.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 39$
Answer: $\frac{5}{7}$
Fractions can also have cube roots.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 39$ = $\frac{5}{7}$
because $\frac{5}{7}$ × $\frac{5}{7}$ × $\frac{5}{7}$ = $\frac{125}{343}$

c.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 40$
Answer: 4
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The cube root of 64 is 4.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 13$ = 4
The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Estimate the following cube roots.

Question 4.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 41$ is between ____ and ____ but closer to ____
Answer: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 41$ is between 2 and 3 but closer to 2.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 41$ is between 2 and 3 but closer to 2, because 10 is closer to 8 than to 27.
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 5.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 42$ is between ____ and ____ but closer to ____
Answer: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 42$ is between 4 and 5 but closer to 5.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 42$ is between 4 and 5 but closer to 5, because 110 is closer to 64 than to 125.
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 6.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 43$ is between ____ and ____ but closer to ____
Answer: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 43$ is between 7 and 8 but closer to 8.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 43$ is between 7 and 8 but closer to 8, because 500 is closer to 343 than to 512.
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 7.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 44$ is between ____ and ____ but closer to ____
Answer: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 44$ is between 5 and 6 but closer to 5.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 44$ is between 5 and 6 but closer to 5, because 155 is closer to 125 than to 216.
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Question 8.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 45$ is between ____ and ____ but closer to ____
Answer: $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 45$ is between 10 and 11 but closer to 11.
$Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 45$ is between 10 and 11 but closer to 11, because 1322 is closer to 1331 than to 1000.
The cube of a number is that number multiplied by itself three times. A cube is expressed as n³, which means n × n × n or n cubed. The cube root of a number is the number that, multiplied by itself and by itself again, equals that number. The expression of a cube root is called a radical. The symbol $Spectrum Math Grade 8 Chapter 2 Lesson 3 Answer Key Cube Roots 2$ is called a radical sign. The 3 on the radical sign shows that this is a cube root.

Spectrum Math Grade 8 Chapter 2 Lesson 2.3 Cube Roots Answers Key

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