Question

if a/b=(2/3)^-3×(5/6)^0,find the value for a/b^-3

Answer 1

a/b=(2/3)^-3×(5/6)^0 ; a/b=(2/3)^-3-3×1=(3/2)^3-3=27/8-3=3/8then;(a/b)^-3=(3/8)^-3=(8/3)^3=512/8