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posted by Ana on Monday, March 1, 2010 at 9:03pm.

Can someone help me? I'm really confused. The loudness L of a sound in decibels is given by L= 10log(base10)R, where R is the sound's relative intensity. If the intensity of a certain sound is tripled, by how many decibels does the sound increase?

evaluate L = 10log (3R) = 10log3 + 10logR = 4.77 + l0log R so ....

oh, thanks

wait, where'd the 4.77 come from?

can u do the rest of the work??

My Name is Mac

Yes

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