Question

How do you get rid of the outer exponent in `(\frac { 5x ^ { 7} y } { - 2z ^ { 4} } ) ^ { 3}`?

Answer 1

`(125*x^21*y^3)/(-8*z^12)`

Explanation:

We get
`(5^3x^21y^3)/((-2)^3*(z^4)^3)`