Answer
$I=I_0\cdot 10^{\frac{d}{10}}$
Work Step by Step
$d=10\ log(\frac{I}{I_0})\longrightarrow log(\frac{I}{I_0})=\frac{d}{10} \longrightarrow \frac{I}{I_0}=10^{\frac{d}{10}} \longrightarrow I=I_0\cdot 10^{\frac{d}{10}}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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: 96
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