Question

243^-y=(1/243)^3y*9^-2y


a.) y=-1
b.) y=0
c.) y=1
d.) no solution

Answer 1

b.) y=0

Explanation:

Answer 2

`243^(-y)=((1)/(243))^(3y)* 9^(-2y)` has y = 0 as a solution.

Selection B is appropriate.