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posted by Nancy on Tuesday, July 24, 2012 at 1:48pm.
Find the number of decibels for the power of the sound. round to the nearest decibel. A rock concert, 5.35x 10^4 watts/cm^2
db = 10*Log5.35*10^4 db = 10*Log5.35 + Log10^4 db = 10*(0.7284 + 4) = 47 db.
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