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March 28, 2017

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The sound intensity level at a concert increases from 85 dB to 94 dB
when the concert begins. By what factor has the sound intensity increased?

  • physics - ,

    each 3 db means doubling

    88 db has doubled
    91 db has doubled again
    94 db has doubled again.

    Intensity has increased 2^3 times,or 8x

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