document.write( "Question 174999: how many centimeters are in 12.5 kilometers \n" ); document.write( "
Algebra.Com's Answer #130087 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
This is a problem in cancelling units
\n" ); document.write( "(12.5 km)(1000 m/km)(100 cm/m) = 1.25*10^6 cm
\n" ); document.write( "Notice on the left side, you have (km/km), and (m/m)
\n" ); document.write( "These units cancel leaving you with cm. This
\n" ); document.write( "string of cancelled units can be as long as needed
\n" ); document.write( "to arrive at the chosen unit of measure.
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