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Answer:
188.0 decibels
Explanation:
Substitute I = 6.3 x 10^6 into the given formula
D(6.3 x 10^6) = 10log(10^12 x 6.3 x 10^6) = 188.0 to one decimal place.
This is greater than 160 decibels, so the sound could rupture the human eardrum.
Substitute I = 6.3 x 10^6 into the given formula