`9^(log_9 (15))` Use the properties of logarithms to simplify the expression.

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Textbook Question

Chapter 3, 3.2 - Problem 28 - Precalculus (3rd Edition, Ron Larson).
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loves2learn | (Level 3) Salutatorian

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There is a very specific rule for this,

If `x=a^(log_ab) `

Then, it equals

`x=b `

Apply to this problem,

`9^(log_(9)15)=15 `

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