4^-2 x 4^2

Answer 1

4^-2 x 4^2

First, simplify 4^-2:

4^-2 = 1/4^2 = 1/16

Now, substitute back into the original expression:

1/16 x 4^2 = 1/16 x 16 = 1

Therefore, 4^-2 x 4^2 = 1.