The noise level coming from a pig pen with 209 pigs is 71.

The noise level coming from a pig pen with209 pigs is 71.6 dB.Assuming each of the remaining pigs squealat their original level after 77 of their compan-ions have been removed, what is the decibellevel of the remaining pigs?Answer in units of dB.What is the corresponding sound level in unitsof W/m2?Answer in units of W/m2.

Let K be the intensity of sound of one pig. Then intensity of 209 pigs =209KNow71.6 = 10 log(209K)=> log(209K) = 7.16=> 209K = 10^7.16 = 1.44×10^7=> K = 69159.79Now remaing pigs =…