Application of log?

sasha needs a exotic muffler on her car. she have been told that the nouns from her car be measured at 120db. after installing the new muffler, the loudness of her coup¨¦ is 75 db. how many times more intense be the sound from her defective muffler?

the answer is 32 000 times
i dont no how to go and get 32000. help me plz
thx

Does slamming your brakes use more gas...



Answers:    Looks just about 3.2 times to me unless you mean this is a log degree, then you want to look up how db (decibel) is calculated I.E what scale is used, underpinning 10 or base 100 etc.

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