Precalculus (6th Edition) Blitzer

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: 42

Answer

$3$

Work Step by Step

RECALL: (i) $\log{M} + \log{N} = \log{MN}.$ (ii) $\log{10^x}=x.$ Use rule (i) above with $M=250$ and $N=4$ to obtain $\log{(250\cdot4)} \\=\log{1000} \\=\log{10^3}.$ Use rule (ii) above to obtain $3.$
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