Decibels Sound levels in decibels (dB) can be calculated by D (r) = 10 log (10®x), where x is the intensity of the sound in watts per square meter. The human ear begins to hurt when the intensity reaches x = 10-4. Find how many decibels this represents.

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.3: Evaluate And Graph Logarithmic Functions
Problem 10.51TI: What is the decibel level of one of the new quiet dishwashers with intensity 107 watts per square...
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131. Decibels Sound levels in decibels (dB) can be calculated by
D (x) = 10 log (10®x),
where x is the intensity of the sound in watts per square meter.
The human ear begins to hurt when the intensity reaches x = 10-4.
Find how many decibels this represents.
Transcribed Image Text:131. Decibels Sound levels in decibels (dB) can be calculated by D (x) = 10 log (10®x), where x is the intensity of the sound in watts per square meter. The human ear begins to hurt when the intensity reaches x = 10-4. Find how many decibels this represents.
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