3^-2
To evaluate 3^-2, we can rewrite it as 1/(3^2) since any number raised to the power of -n is the reciprocal of that number raised to the power of n.
Therefore, 3^-2 is equivalent to 1/(3^2) = 1/9.
Therefore, 3^-2 is equivalent to 1/(3^2) = 1/9.