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7. The loudness of a sound in decibels is related to the intensity of the sound i , where the function for the loudness is

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7. The loudness of a sound in decibels is related to the intensity of the sound i , where the function for the loudness is given by L(i) =1010910 15) and in is a constant equal to the minimum sound that can be detected by the human ear. Find the loudness in decibels of a recording of rock music with intensity 10 million times ip

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