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

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

in your units:

Io = 10^-16 watts/cm^2

Db = 10 log (2.54*10^-5/10^-16)

= 10 log (2.54 * 10^11)

= 10 log 2.54 + 10 log 10^11

= 4.05 + 110

= 114