Question

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

Answer 1

This is a law of exponents
`(a^m)^n=a^(mn)`
`a^(-m)=1/a^m`

`1/a^4 xx a^12 xx b^9`

Cut it out

`a^8xxb^9`
`a^8b^9`