the length of each edge of a cube is X centimeter if x is an integer why can't the volume of the cube equal 15 cm squared
1 answer:
Because cubes feature only certain values:
1^3 = 3
2^3 = 8
3^3 = 27
There is no x, x an integer, for which x^3 is = 15 cm^3.
Note well: the units of volume in this case are cm^3, not cm^2.
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