guys whats the answer for this please help
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Answer is in the above given attachment
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Answer:
5^18
Step-by-step explanation:
((5^-1 × 5^2)/5^7)^-3
= (5^1 /5^7)^-3 (since x^a×x^b=x^a+b)
= (5^-6)^-3 (since x^a /x^b = x^a-b)
= 5^(-6×-3)
= 5^(18)
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