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7 May, 11:11

A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the loudness be reduced? Use the formula L=10log I/I (o). Round to the nearest hundredth.

A) 3.57 decibels

B) 1.58 decibels

C) 2.52 decibels

D) 1.93 decibels

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Answers (1)
  1. 7 May, 14:55
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    C. 2.52 is your answer
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