Hey there!
So, first, we need to bring the (-3)^-2 into a fraction. (you always do this with a negative power)
[tex]\frac{1}{-3^2}[/tex]
Now that we have that, we just need to square -3.
-3*-3= 9
So, the answer is 1/9.
I hope this helps!
~kaikers
