Question

Which is the simplified form of the expression ((p^2)(q^5))^-4•((p^-4)(q^5))^-2

Answer 1

(p ² q ⁵) ⁻⁴ (p ⁻⁴ q ⁵) ⁻²

= (p ⁻⁸ q ⁻¹⁰) (p ⁻⁸ q ⁻¹⁰)

= p ⁻¹⁶ q ⁻²⁰