The loudness, L, measured in decibels (Db), of a sound intensity, I measured in watts per square meter, is defined as
L-1010g, where lo = 10-12 and is the least intense sound a human ear can hear. What is the approximate loudness of a rock
concert with a sound intensity of 10-17

O 2 Db
O 22 Db
O 60 Db
O 110 Db