Question

Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine,
2.42 * 10^5 watts cm^2

what is the db?

Answer 1

db=10*Log(2.42*10^5)=10*Log(242000) = 54

Answer 2

Correction:
db = 10*Log(2.42*10^5/10^-16) =
10*Log(2.42*10^21) = 81

Answer 3

Oops!!
10*Log(2.42*10^21) = 214 db.