Mathematics, 26.11.2020 06:10 jaylynomalley
The relationship between a number of decibels β and the intensity of a sound I (in watts per square meter) is
β=10log10(I10−12).
The number of decibels for a sound with an intensity of 10−6 watts per square meter is
.
A sound with ten times that intensity has
decibels.
In general, a sound with ten times the intensity of a sound with n decibels has
decibels.
Hint: It may help to use the properties of logarithms to rewrite the equation given in this problem.
Answers: 3
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