Question

(integral exponents)
simplify;
(9/16)^-2

Answer 1

(9/16)^-2=(16/9)2
(9/16)^-2=256/81
(9/16)^-2=32
right or will it just be 256/81?

Answer 2

9=3^2
16=4^2
(3^2/4^2)^-2