Question

Which expression has the same value as –y^–4?

Answer 1

answer is b

–y^–4 = – 1/y^4

hope that helps

Answer 2

`-(1)/(y^(4))`

Explanation:

we have

`-y^(-4)`

Remember that

`y^(-b) =(1)/(y^(b))`

so

`-y^(-4)=-(1)/(y^(4))`