Question

the length of each Edge of a cube is X centimeters. if x is an integer, why can't the volume of the cube equal 15 cm3.​

Answer 1

see explanation

Explanation:

The volume cannot be 15 cm³ because it is not a perfect cube.

V = x³

let x = 4 then x³ = 4³ = 64 ← a perfect cube

There is not an integer when cubed gives 15