__Problem 8:__
Clay Aiken sings, and the sound has an intensity of 0.00294 W/m^{2} at the microphone when
he holds it 7.6 cm away. What would be the intensity of the sound 23 cm away?

^{2}

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Numerical answers are computed to 3 significant digits;

you are required to get within 0.2% of the solution for your answer to be considered correct.