document.write( "Question 900459: In the manafacturing of computer chips, cylinders of silicon are cut into thin wafers that are 3.00 inches in diameter and have a mass of 1.50 grams of silicon. How thick in millmeters is each wafer if silicon has a density of 2.33 grams per centimeter cubed?\r
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Algebra.Com's Answer #545973 by stanbon(75887)\"\" \"About 
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In the manafacturing of computer chips, cylinders of silicon are cut into thin wafers that are 3.00 inches in diameter and have a mass of 1.50 grams of silicon. How thick in millmeters is each wafer if silicon has a density of 2.33 grams per centimeter cubed?
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\n" ); document.write( "Let the thickness be \"t\".
\n" ); document.write( "Volume of a wafer = area*t = (pi*1.5^2*t) = 2.25pi*t cu.inches
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\n" ); document.write( "Note: 1 cubic inch = 16.39 cu cm
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\n" ); document.write( "Volume of wafer = 2.25*16.39*pi*t = 37.88pi*t cu cm
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\n" ); document.write( "Using the conversion that says each cu cm = 2.33 grams, use
\n" ); document.write( "the unit multiplier to solve for \"t\"::
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\n" ); document.write( "((37.88 pi)*t cu cm)(2.33 grams/cu cm) = 1.5 grams
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\n" ); document.write( "t = 0.0054 cm
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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