Answer
$3A $
Work Step by Step
$\log_{b}8=\qquad $... recognize 8 as a power of 2
$=\log_{b}2^{3}\quad $...apply the Power Rule: $\quad \log_{b}(M^{p})=p\cdot\log_{b}\mathrm{M}$
$=3\log_{b}2\quad $... use the definitions of A and C
$=3A $
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Section 3.3 - Properties of Logarithms - Exercise Set - Page 475: 85
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