Solve for $n$, if $9^n\cdot9^n\cdot9^n\cdot9^n=81^4$.
Question:
Solve for $n$, if $9^n\cdot9^n\cdot9^n\cdot9^n=81^4$.
Answer:
Let's think step by step.

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Solve for $n$, if $9^n\cdot9^n\cdot9^n\cdot9^n=81^4$.
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