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Posts: 3561
12 years ago
A crying baby emits sound with an intensity of 8.0 × 10-8 W/m2. What is the intensity level for a set of quintuplets? The lowest detectable intensity is 1.0 × 10-12 W/m2.
A) 79 dB
B) 69 dB
C) 56 dB
D) 49 dB
E) 36 dB
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Educator
12 years ago
C
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