10
Answer: BSet 5: Exponential Functions (Intermediate)
Explanation
PROBLEM
Simplify: 5 to the power of 4 times 5 to the power of 5. Express as 5 to the power of what?
Simplify: 5 to the power of 4 times 5 to the power of 5. Express as 5 to the power of what?
A.
4
B.✓ Correct
9
C.
7
D.
18
Detailed Explanation
Choice B is the best answer. 5 to the power of 4 times 5 to the power of 5 = 5 to the power of (4+5) = 5 to the power of 9
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 18 is incorrect because it does not satisfy the equation.
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