APFIVE Decibel Increase and Intensity Factor
Noise levels in an urban area are measured using the decibel formula $$dB = 10*\log_{10}(I/I_{0})$$, where I is the noise intensity and $$I_{0}$$ is a reference value. If the noise level increases by 20 dB above a baseline, by what factor has the noise intensity increased?
A
200 times
B
20 times
C
100 times
D
50 times
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