5
Answer: BSet 3: Exponential Functions (Advanced)
Explanation
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.✓ Correct
1/9
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.