document.write( "Question 40311: Please Help
\n" ); document.write( "In an algebra class, 21 students are competing to see who can create the most interesting problem involving permutations or combinations. Each student is allowed to submit only one entry. A first prize and a second prize will be awarded. In how many different ways can the instructor award one first prize and one second prize?
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Algebra.Com's Answer #25715 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
P(21,2) = 420 \n" ); document.write( "
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