What statement makes this true?
9^-2
A.81
B.18
C.1/81
D.-1/81
Is it A?
1/9^2 = 1/81
To determine the value of 9^-2, we need to calculate the reciprocal of 9^2.
Step 1: Calculate the value of 9^2:
9^2 = 9 * 9 = 81
Step 2: Take the reciprocal of 81:
Reciprocal of 81 = 1/81
Therefore, the correct statement that makes 9^-2 true is C. 1/81.