Question

By what number should (⅞)–² be multiplied so that the product may be equal to(⅞)–³

Answer 1

So the number be 8/7

Answer 2

let no.is x
A.T.Q
(7/8)-2×X=(7/8)-3
(8/7)^2×X=(8/7)3
X=(8/7)3_2
X=8/7
hope u satisfied