Question

How do you simplify `(a^-3 b^(4/3))^-3`?

Answer 1

Use the fact that:
`(a^m)^n=a^(m*n)`
So:
`(a^-3b^(4/3))^-3=a^(-3*-3)b^(4/3*-3)=a^9b^-4`