document.write( "Question 514525: use two unit multipliers to convert 175 kilometers to centimeters \n" ); document.write( "

Algebra.Com's Answer #343463 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "175 kilometers to centimeters\r\n" );
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document.write( "We will go from kilometers to meters to centimeters.\r\n" );
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document.write( "Start by putting 175 km over 1:\r\n" );
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document.write( "We want to get rid of km and bring in m.\r\n" );
document.write( "We know that 1000 m = 1 km.\r\n" );
document.write( "Since km is in the numerator, we will make the\r\n" );
document.write( "first unit multiplier by putting 1 km in the \r\n" );
document.write( "denominator and 1000 m in the numerator, so the\r\n" );
document.write( "km will cancel. So we multiply by the unit \r\n" );
document.write( "multiplier :\r\n" );
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document.write( "Now the km's will cancel:\r\n" );
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document.write( "Now we want to get rid of m and bring in cm.\r\n" );
document.write( "We know that 100 cm = 1 m.\r\n" );
document.write( "Since m is in the numerator, we will make the\r\n" );
document.write( "first unit multiplier by putting 1 m in the \r\n" );
document.write( "denominator and 100cm in the numerator, so the\r\n" );
document.write( "m's will cancel. So we multiply by the unit \r\n" );
document.write( "multiplier :\r\n" );
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document.write( "We cancel the m's:\r\n" );
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document.write( "and we end up with \r\n" );
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document.write( "175×1000×100 = 17,500,000.\r\n" );
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document.write( "Edwin

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