October 7, 2015

Homework Help: Pre Calculus 12

Posted by Shreya on Wednesday, January 23, 2013 at 8:23pm.

Solving problems that involve logarithms

the sound at a rock concert decreases by 10% for every 5m travvelled. how far does it take for a volume of 2000 decibels to decrease to 20 decibels?

i dont know what to do for this one
the growth decay formula i got is

A = P(X)^t/n

I dont know what to do. Can someone please explain step by step?

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