document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=916754>Question 916754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a 10-item exam, of which only 6 items are to be solved, how many ways can a student answer the exam? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556591 by </B><A HREF=/tutors/aboutme.mpl?userid=Hawksfan><B>Hawksfan(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Hawksfan><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Hawksfan><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556591\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the formula\r<BR>\n" );
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document.write( "P =  n!/(n- r)!<BR>\n" );
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document.write( "   Example  5! = 5*4*3*2*1  for factorial !<BR>\n" );
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document.write( "=   10! /  (10-6)! \r<BR>\n" );
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document.write( "    10! /  4!   \r<BR>\n" );
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document.write( "=   (10*9*8*7*6*5*4!)/ 4!<BR>\n" );
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document.write( "=   90*56*30 =  151,200 ways<BR>\n" );
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