Question

NEED HELP ASAP PLEASE!!
A high sound level of 120 dB is regarded as the threshold of pain for the average listener. If the threshold of hearing is 10^−12 watts/m^2, then the intensity of the sound corresponding to 120 dB is
____________ watts/m^2.
bobpursley
This is a standard formula.

intensity=10log(power/thresholdhearing)
So
I get......
10log(120/10^-12) = 140.7918125
But its incorrect :(
what am I doing wrong ?
chicken

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