Answer:
a = 6
Explanation:
Solve for a over the real numbers:
15625 = 5^a
15625 = 5^a is equivalent to 5^a = 15625:
5^a = 15625
15625 = 5^6:
5^a = 5^6
Equate exponents of 5 on both sides:
Answer: a = 6
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