Which expression is equivalent to 5 to the 10th power times 5 to the 5th power ?
Answer
A
5 squared
B
5 to the 5th power
C
5 to the 15th power
D
5 to the 50th power
Explanation
When multiplying powers with the same base, add the exponents: 5^10 × 5^5 = 5^(10+5) = 5^15. So the equivalent expression is 5 to the 15th power, choice D.
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