document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658947>Question 658947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pollster selected 4 of 10 available people. How many different groups of 4 are possible? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410555 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=410555\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: Compute 10 C 4 using the formula\r<BR>\n" );
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document.write( "n C r = (n!)/(r!(n-r)!)\r<BR>\n" );
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document.write( "In this case, n = 10 and r = 4, so\r<BR>\n" );
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document.write( "n C r = (n!)/(r!(n-r)!)\r<BR>\n" );
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document.write( "10 C 4 = (10!)/(4!(10-4)!) </SPAN>\n" );
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