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Solve for n: 3^n−1×81=3^5
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Solve for n: 3^n−1×81=3^5

User Matthias Wimmer
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1 Answer

5 votes

Answer:

Hello,

Explanation:


3^(n-1)*81=3^5\\\\3^(n-1)*3^4=3^5\\\\3^(n-1)=3^(5-4)\\\\n-1=1\\\\\boxed{n=2}

User Carloabelli
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