<PRE><B>Question 308891</B>
 The intensity of the sound of traffic at a busy intersection was measured at 2.0x10^5 w/m^2 . Find the intensity level in decibels.
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10*log(2.0x10^5)
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= 10[log(2) + 5]
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= 10*log(2) + 50
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= 53.01 dB
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Cheers,
Stan H.
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