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## mathsux4real Please help with attachment :O one year ago one year ago

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1. mathsux4real

2. mathsux4real

Hahah thanks! And thanks for trying.

3. shashi20008

A) the loudness of Rock music is 70db. It can be calculated by simply feeding the given value of i in given eqn. C) considering threshold of pain to be 120 db (source: wikipedia, it varies from person to person though) the intensity level of rock music is$(70\div120)\times100$ = 58.33 % of the threshold of pain.