hello there! Your answer would be 0.0625 or 1/16.
In this question, you are being asked to multiply 4 to the -2nd power. Your answer would be whatever the inverse of 4 to the 2nd power. Well, 4 to the 2nd power is equivalent to 16, or 16/1, so just slip the numerator and denominator values and you get 1/16. (In decimal form it is 0.0625)
I hope this helps and have a great day!