Question

How do you simplify `((4x^-2)/(5y^-3))^-3`?

Answer 1

`=125/64xxx^6/y^9`

Explanation:

`((4x^-2)/(5y^-3))^-3=(4^-3*x^((-2)*(-3)))/(5^-3*y^((-3)*(-3)))=5^3/4^3xxx^6/y^9=125/64xxx^6/y^9`