An office machine makes a rattling sound with an intensity of 10^-4 W/m ​2 ​​ when perceived by an office worker sitting

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answerhappygod
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An office machine makes a rattling sound with an intensity of 10^-4 W/m ​2 ​​ when perceived by an office worker sitting

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An office machine makes a rattling sound with an intensity of
10^-4 W/m ​2 ​​ when perceived by an office worker sitting 2m
away. What is the sound level in decibels for the sound of the
machine?
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