Question

3^x=1/27
x=____

Answer 1

1/27=1/3^3=3^-3
3^x=3^-3
x=-3

Answer 2

Got it ?

Answer 3

yes, what about 3^-x=1/27?

Answer 4

1/27=3^-3
-x=-3
x=3 :D
Got it ?

Answer 5

yeees, thanks ! :)

Answer 6

yw ;D