Question

Are all perfect cubes also multiples of 3?
Are all multiples of 3 also perfect cubes?

Answer 1

See below

Explanation:

I'm not positive that this is right, but I'll try.

No, and no. 6 is not a perfect cube, and that is a multiple of 3.

8 is a perfect cube that is not a multiple of three.

I hope this helps, sorry if I'm wrong.