Alright so. 3^2= 9 (since 3 x 3=9), and 3^4=81 (since 3 x 3 x 3 x 3=81).
This gives you
9/81. From here you can simplify. First, find the GCF, which here is 9. Then divide both the top and bottom by 9. 9/9=1. 81/9=9.
So, simplified, this is 1/9, or 1 over 9.
Hope this helps!!