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

User Matreshkin
by
7.1k points

1 Answer

3 votes

Answer:


(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)

User Dhafin Rayhan
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7.6k points