Question

Which numbers are perfect cubes? Check all that apply. 3 64 81 125 999 3,000

Answer 1

B - 64

D - 125

Explanation:

Answer 2

64 and 125 are perfect cubes

Explanation:

Let us see all numbers one by one

3: It cannot be written as a product of three same numbers so it is not a perfect cube.

64: It can be written as:

4*4*4 = 4^3

So 64 is a perfect cube

81: It cannot be written as a product of three same numbers so it is not a perfect cube.

125: It can be written as:

5*5*5 = 5^3

So 125 is a perfect cube

999: It cannot be written as a product of three same numbers so it is not a perfect cube.

3000: It cannot be written as a product of three same numbers so it is not a perfect cube ..