5

Set 3: Exponential Functions (Advanced)

Explanation

Answer: B

PROBLEM

Simplify: 3 to the power of (-2). Express as a fraction 1/n.

Simplify: 3 to the power of (-2). Express as a fraction 1/n.

A.

9

B.

1/9

✓ Correct
C.

1/10

D.

1/8

Detailed Explanation

Choice B is the best answer. 3 to the power of (-2) = 1/3 to the power of 2 = 1/9

Why others are wrong:
A: 9 is incorrect because it does not satisfy the equation.
C: 1/10 is incorrect because it does not satisfy the equation.
D: 1/8 is incorrect because it does not satisfy the equation.