Set 1: Exponential Functions (Advanced)

**Choice D is the best answer.** 2 to the power of (-1) = 1/2 to the power of 1 = 1/2

Explanation

Answer: D

PROBLEM

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

1/3

1/1

1/2

✓ Correct

Detailed Explanation

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

Why others are wrong:

A: 1/3 is incorrect because it does not satisfy the equation.

B: 2 is incorrect because it does not satisfy the equation.

C: 1/1 is incorrect because it does not satisfy the equation.