Find the number of decibels for the power of the sound given. Round to the nearest decibel.

A rocket engine, 2.67 cross 10−5watts/cm2

1 answer

dB = 10Log(2.67*10^-5/10^-16)
= 10Log(2.67*10^11)
= 10(11+Log 2.67)
= 10(11.4265)
= 114 dB

Solution as outlined at

http://www.convert-me.com/en/bb/viewtopic.php?t=699