Asked by Mary Ann

Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine,
2.42 cross 10−5
watts/cm2
Answered by Steve
so, how many watts per decibel?
Divide that into 2.42*10^-5

what's this "cross"? Can't you say "times", or use the multiplication symbol?
Answered by mary ann
thank you Steve it is appreciated
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