Question

I NEED HELPP FAST!!!
Evaluate 3^-2.
A. -1/9
B. 1/9
C. 1
D. -6

Answer 1

`(1)/(9)`

Explanation:

Deal with negative and numerical exponents separately;

Negative exponent means reciprocal;

2 means sqared;

So:

`{3}^(2) = 9 \\ {3}^( - 2) = (1)/(9)`