Question

Which is the simplified form of (2ab/a^-5 b^2)^-3?

Answer 1

I am  using the laws:
1) $( x^{a} )^{c} = x^{a*c}$
2) $x^{a} * x^{b} = x^{a+b}$
3) $\frac{ x^{a} }{x^{b}} = x^{a-b}$

an x is a base - the law is valid if the bases are the same number!

The solution in attachment :) 

Answer 2

Answer:

A on e2020/edge

Step-by-step explanation: