Answer
a. intensity of sound
b. $B=10\displaystyle \log\frac{l}{I_{0}}$
Work Step by Step
The decibel scale is described on p.384.
a.
The decibel scale measures the intensity of sound.
b.
$B=10\displaystyle \log\frac{l}{I_{0}}$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 4 - Review - Concept Check - Page 388: 18
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