Question

(2a^-2b^3)^2×(a/b)^-6

Answer 1

(2а^(-2) × b³)² × (a/b)^(-6) = 4a^(-4) × b^6 × a^(-6) × b^(-1×(-6)) = 4a^(-4-6) × b^6 × b^6 = 4a^(-10) × b^(6+6) = 4a^(-10) × b^12