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The sound level at 1.0 m from a certain talking person talking is 68 dB. You are surrounded by five such people, all 1.0 m

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The sound level at 1.0 m from a certain talking person talking is 68 dB. You are surrounded by five such people, all 1.0 m from you and all talking equally loud at the same time. The threshold of hearing is 1.0 x 10-12 W/m2. What sound level are you being exposed to? You can neglect any absorption, reflection, or interference of the sound. The threshold of hearing is 1.0 x 10" 12 w /m2

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