Solve the problem.What is the intensity in watt/m2 of a noise measured at 66 decibels? D = 10 log10(S/S0), where S0 is 10-12 watt/m2. Round to two decimal places when necessary.

A. 7.35 × 1014 watt/m2
B. 3.98 × 10-5 watt/m2
C. 3.98 × 10-6 watt/m2
D. 6.6 × 10-10 watt/m2


Answer: C

Mathematics

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A. 15x4
B.
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