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Use the following information for determining sound intensity. The level of sound B, in decibels, with an intensity of I, is B- 10 log 10(/I) where In is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. As a result of the installation of noise suppression materials, the noise level in an auditorium was reduced from 93 to 83 decibels. Find the percent decrease in the intensity level of the noise due to the in of these materials. (Round your answer to the nearest whole number.)

Use the following information for determining sound intensity. The level of sound B, in decibels, with an intensity of I, is B- 10 log 10(/I) where In is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. As a result of the installation of noise suppression materials, the noise level in an auditorium was reduced from 93 to 83 decibels. Find the percent decrease in the intensity level of the noise due to the in of these materials. (Round your answer to the nearest whole number.)

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 50RE: The formula for measuring sound intensity indecibels D is defined by the equation D=10log (II0),...
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Use the following information for determining sound intensity. The level of sound B, in decibels, with an intensity of I, is B = 10 log10(1/I) where In is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. As a result of the installation of noise suppression materials, the noise leve in an auditorium was reduced from 93 to 83 decibels. Find the percent decrease in the intensity level of the noise due to the installation of these materials.(Round your answer to the nearest whole number.) %
Transcribed Image Text:Use the following information for determining sound intensity. The level of sound B, in decibels, with an intensity of I, is B = 10 log10(1/I) where In is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. As a result of the installation of noise suppression materials, the noise leve in an auditorium was reduced from 93 to 83 decibels. Find the percent decrease in the intensity level of the noise due to the installation of these materials.(Round your answer to the nearest whole number.) %
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