Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 3 - Section 3.2 - Exponential Functions - Exercise Set - Page 465: 121

Answer

$3$ to the power of what number is equivalent to $81$?

Work Step by Step

The logarithmic equation $ y= \log_a (b)$ when $ x \gt 0$ and $ b \gt 0; b \ne 1$ is equivalent to the exponential form $ a^y=x $, where the logarithmic function $ y $ is the exponent of the exponential function. We have $3^n=81$ The question arises: $3$ to the power of what number is equivalent to $81$?
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