document.write( "Question 211891: how do you convert 112.721 inches squared to centimeters squared? \n" ); document.write( "
Algebra.Com's Answer #160071 by Alan3354(69443)\"\" \"About 
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1 inch = 2.54 cm (exactly, not rounded off)
\n" ); document.write( "1 sq inch = 2.54*2.54 sq cm = 6.4516 cm^2/in^2
\n" ); document.write( "112.721 in^2 = 112.721 in^2 * 6.4516 cm^2/in^2
\n" ); document.write( "= 727.2308026 cm^2
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\n" ); document.write( "Notice how the in^2 cancel. Including the units gives a check, and alerts you of a problem if you divide when you should multiply.
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