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An equation for loudness L in decibels is given by L = 1 0 l o g R , where R is the sound's relative

An equation for loudness L in decibels is given by L=10logR, where R is the sound's relative intensity. An air-raid siren can reach 150 decibels and jet engine noise can reach 120 decibels. How many times greater is the relative intensity of the air-raid siren than that of the jet engine noise?
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