Math 3 Quiz
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ALGEBRA & FUNCTIONS
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The intensity II of sound (in decibels) is modeled by I=10log⁡10(PP0)I = 10\log_{10}\left(\frac{P}{P_0}\right), where PP is the power and P0P_0 is a reference power level. If a sound's intensity increases from 60 dB to 80 dB, by what factor has the power PP increased?
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