Question

How do you simplify `(7^3/4)^(-2/9)`?

Answer 1

`color(brown)(=> (7)^-(2/3) / (2)^-(4/9)`

Explanation:

`(7^3 / 4)^(-(2/9)`

`(x^n)^m = x^(mn)`

`=>(7^3)^-(2/9) / 4^-(2/9)`

`=> (7)^(3 * -(2/9)) / (2^( 2 * -(2/9))`

`color(brown)(=> (7)^-(2/3) / (2)^-(4/9)`