Asked by Cookie

the decibel level of a person talking in a room is 65.0 dB relative to the threshold of hearing determine the decibel level if 6 people talk in the room each at this level

Answers

Answered by drwls
It will be higher by 10 log6 = 7.8 dB, making it 72.8 dB.

The log is to base 10 in this case
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