document.write( "Question 406776: There are nine finalists in a certain competition.In how many ways can the judges choose four of them to be awarded with prize if
\n" ); document.write( "a)there are first prize,second prize,third prize and fourth prize,
\n" ); document.write( "b)there are two first prizes and two second prizes
\n" ); document.write( "c)there are first prize and three second prizes \n" ); document.write( "
Algebra.Com's Answer #286947 by stanbon(75887)\"\" \"About 
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There are nine finalists in a certain competition.In how many ways can the judges choose four of them to be awarded with prize if
\n" ); document.write( "a)there are first prize,second prize,third prize and fourth prize,
\n" ); document.write( "Ans: 9P4 = 9*8*7*6*5
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\n" ); document.write( "\n" ); document.write( "b)there are two first prizes and two second prizes
\n" ); document.write( "9C2*7C2 = (9*8/1*2)(7*6/1*2)
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\n" ); document.write( "\n" ); document.write( "c)there are first prize and three second prizes
\n" ); document.write( "Ans: 9*8C3 = 9*8*7*6/1*2*3 = 9*8*7
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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