Question

How do you use the laws of exponents to simplify the expression `(y^-4)^(-3/4)`?

Answer 1

One of the laws of exponents says:
`(b^m)^n =b^(mxxn)`

So `(y^(-4))^(-3/4)`

`= y^((-4)xx(-3/4))`

`=y^3`