You can put this solution on YOUR website! To evaluate:
9 to the negative power of 2
Looks like this:
Now, you cannot leave your answer in that form, you have to change it.
Here's how:
Move the 9 to the denominator, this changes the sign, power of 2 to positive
To simplify further, multiply 9 x 9 (power of 2) to equal 81: