Question

How do you simplify `(x^-10y^4 z^5)^-( 2/7)`?

Answer 1

`x^(20/7)y^(-8/7)z^(-10/7)`

or `[x^(20/7)]/[y^(8/7)z^(10/7)]`

Explanation:

multiply the powers together

`x^(20/7)y^(-8/7)z^(-10/7)`