The loudness, l, measured in decibels (db), of a sound intensity. /, measured in watts per square meter, is defined as -12 l- 10log 7, , where o - 10 and is the least intense sound a human ear can hear, jessica is listening to soft music at a sound intensity level of 109 on her computer while she does her homework braylee is completing her homework while listening to very loud music at a sound intensity level of 10 on her headphones h jessica's? how many times louder is braylee's music than