The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (
), where xo = 10-3.A company with loud machinery needs to cut its sound intensity to 26% of its original level. By how many decibels should the loudness be reduced?
A. 6.237 decibels
B. 6.880 decibels
C. 5.760 decibels
D. 5.850 decibels
Answer: D
Mathematics
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