Question

(2a^-2b)^-3 over 5a^2b^4

Answer 1

Is this what you're working with?

\[(2a^{-2}b)^{-3} / 5a^2b^4\]

Answer 2

yes

Answer 3

So remember your rules for exponents..

\[(y^bx^a)^c = x^{ac}y^{bc}\]
\[x^a * x^b = x^{a+b}\]
\[x^a/x^b = x^{a-b}\]

See how far those get ya.