Algebra

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Find the number of decibels for the power of the sound. Round to the nearest decibel.
A rock concert, 5.3 10-6 watts/cm2

  • Algebra -

    db = 10*Log(5.3*10^-6)
    db = 10*(Log5.3+LOg10^-6)db = 10*(
    db = 10*(0.724-6) = -53.

  • Algebra -

    Correction:
    db = 10*Log(5.3*10^-6)
    db = 10*(Log5.3-Log10^-6)
    db = 10*(0.724-6) = -53.

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