SOLUTION: For what value of y is {{{3^3/3^y=1/9}}} Please help me all I know is that it has to do with the Negative and Zero powers because that is the leason we are on.

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: For what value of y is {{{3^3/3^y=1/9}}} Please help me all I know is that it has to do with the Negative and Zero powers because that is the leason we are on.      Log On


   

Question 948361: For what value of y is 3%5E3%2F3%5Ey=1%2F9
Please help me all I know is that it has to do with the Negative and Zero powers because that is the leason we are on.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
3%5E3%2F3%5Ey=1%2F9Multiply each side by 9
9%283%5E3%29%2F3%5Ey=1 Multiply each side by 3%5Ey
9%283%5E3%29=3%5Ey
%283%5E2%29%283%5E3%29=3%5Ey
3%5E%282%2B3%29=3%5Ey
3%5E5=3%5Ey
y=5