The decibel dB is defined as dB 10log where P is the power of a...
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Algebra
The decibel dB is defined as dB 10log where P is the power of a particular signal and P is the power of some reference signal In the case of sounds the reference signal is a sound level that is just barely audible How many dBs does a sound have if its power is 7 320 000 times that of the reference sound Round to the nearest tenth O29 8 dB O 10 0 dB 68 6 dB O 0 0 dB B R O 158 1 dB
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