Question

if a/b= (3/4)-² ÷ (4/3)⁰ , find (a/b)-²​

Answer 1

Answer:

81/256

Step-by-step explanation: (a/b) = (3/4)^2 / (4/3)^0

Anything raised to the power of 0 is 1 so

(a/b) = (3/4)^2 / 1

(a/b) = (3/4) x (3/4)

(a/b) = 9/16

(a/b)^2 = 81/256

Hope it helps