babydoux62 babydoux62

03-06-2018
Mathematics

contestada

An employee working in a machine shop is exposed to three different sources which emit noises at 81 dB, 91 dB, and 88 dB. What is the combined noise level exposure?

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Professor1994 Professor1994

03-06-2018

Hello,
Please, see the attached file.
Thanks.

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