Question

The density of a cube is 3 `g/(cm^3)`. If its mass is 24 g, what is the length of each side of the cube?

Answer 1

I got `2cm`

Explanation:

Density is `"mass"/"volume"` so we get:
`3=24/V`
so:
`V=24/3=8cm^3`
but the volume of a cube is give as:
`V=l^3`
where `l` is the length of the side. We get:
`l^3=8`
`l=root3(8)=2cm`