Mathematics
alenray25
9

The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as mc025-1.jpg, where mc025-2.jpg and is the least intense sound a human ear can hear. Jessica is listening to soft music at a sound intensity level of 10-9 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 10-3 on her headphones. How many times louder is Braylee’s music than Jessica’s?

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(1) Answers
jessicallangevin

Would be 2*5 8 17 11 25

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