Question: Hello please answer : Noise from a construction site can be heard at a distance of 17.0 km. Assuming that the sound is emitted equally

Hello please answer :

Noise from a construction site can be heard at a distance of 17.0 km. Assuming that the sound is emitted equally in all directions and that the threshold of audibility is 1.0 x 10^-12 W/m^2, find the emitted sound power of the construction site. Give the answer in mW.

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