document.write( "Question 991862: If the diameter of the red marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volume?\r
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Algebra.Com's Answer #611596 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"D=3%7D%7D%7B%7B%7Bcm\"
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\n" ); document.write( "The exact volume would be,
\n" ); document.write( "\"V=%284%2F3%29pi%2AR%5E3=14.1%7D%7D%7B%7B%7Bcm%5E3\"
\n" ); document.write( "A good approximation would be,
\n" ); document.write( "\"V=%284%2F3%29pi%28D%2F2%29%5E3=%284%2F3%29pi%28D%5E3%2F8%29=D%5E3%2F2\"
\n" ); document.write( "\"V%5Bapprox%5D=D%5E3%2F2=%283%29%5E3%2F2=27%2F2=13.5\"\"cm%5E3\"
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