document.write( "Question 281183: The earth has a radius of approximately 6400 km.
\n" ); document.write( "Estimate the distance round the equator to the nearest 100 kilometers.
\n" ); document.write( "Use a value of 3.14 for pi.\r
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Algebra.Com's Answer #204271 by brucewill(101)\"\" \"About 
You can put this solution on YOUR website!
The is really asking the circumference of a circle, with a radius of 6400km.\r
\n" ); document.write( "\n" ); document.write( "C = 2 * pi * 6400\r
\n" ); document.write( "\n" ); document.write( "C = 40192; rounded to nearest 100 = 40200.
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