The intensity of the sound from a certain source is, Ask an Expert

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The intensity of the sound from a certain source is measured at two points along a line from the source. The points are separated by 12.9 m, the sound level is 66.30 dB at the first point and 57.61 dB at the second point.

How far is the source from the first point?

Calculate the power output of the source?

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