Answer
$-220$ decibels
Work Step by Step
We have $\beta=10 \log (II_0)$
Therefore, $\beta=10 \log (10^{-10} \times 10^{-12})= 10 \log 10^{-22}$
Or, $\beta = 10 (-22) \log 10 =-220$
Therefore, the sound level is $\beta = -220$ decibels
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 5 - 5.5 - Exponential and Logarithmic Models - 5.5 Exercises - Page 408: 47a
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