Use the formulas for measuring sounds to find the missing value. The loudness L of a sound is given. Find the intensity I of the sound.L = 50 dB

A. I = 10-6 W/m2
B. I = 10-9 W/m2
C. I = 10-7 W/m2
D. I = 10-8 W/m2


Answer: C

Mathematics

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B. = 
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