Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.5 Exponential and Logarithmic Equations - 4.5 Exercises - Page 470: 94

Answer

$ M=M_0\cdot 10^{\frac{6-m}{2.5}} $

Work Step by Step

$m=6-2.5\ log(\frac{M}{M_0})\longrightarrow log(\frac{M}{M_0})=\frac{6-m}{2.5} \longrightarrow \frac{M}{M_0}=10^{\frac{6-m}{2.5}} \longrightarrow M=M_0\cdot 10^{\frac{6-m}{2.5}} $
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