maths
posted by
molly
.
a cube has a volume of 27cm3
what is the length of one side of the cube

maths 
Reiny
let each side be x
x^3 = 27
mmmh, can you think of a number which when cubed is 27 ?

maths 
molly
3 x 3 x 3 = 27 27 is a cube number

maths 
Reiny
correct

maths 
molly
so the cube number is 3????