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Mathematics 7 Online
OpenStudy (anonymous):

rock concert, 5.33 x 10^-6 watts/cm^2 Find the number of decibels for the power of the sound. Round to the nearest decibel

OpenStudy (anonymous):

\[dB=10\log(\frac {5.33 \times 10^{-6}}{10^{-12}})=10(6.7.7)=67.7=68dB\]

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