Question

How do you evaluate `(-32)^(2/5)`?

Answer 1

You can rewrite, remembering that fractional powers are roots

Explanation:

`=root 5 ((-32)^2)`

We first do the square:

`=root 5 1024`

You may know that `1024=2^10` and then:

`=root 5 (2^10)=2^(10/5)=2^2=4`