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Answer:
A 4^15 * 5^10
Step-by-step explanation:
When moving to the other side of a fration the exponent changes sign
4^3 / 5^-2 = 4^3 * 5^2
When taking an exponent to anexponet, multiply the exponents
(4^3 * 5^2)^5 = 4^15 * 5^10
Answer A