document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66432>Question 66432</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you know exactly when the problem is a combination or a permutation?<BR>\n" );
document.write( "how do you label the problem? ex. 4 super script c 3? how do you solve these? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47127 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=47127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Permutations are a way of counting arrangements:<BR>\n" );
document.write( "Example : abc, acb, bac,bca, cab,cba are 6 different arrangements or permutations.<BR>\n" );
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document.write( "Combinations are a way of counting the number of groups.<BR>\n" );
document.write( "Example: The 6 different arrangements above constitute one group <BR>\n" );
document.write( "or one combination.<BR>\n" );
document.write( "Example: A bowl contains four marbles: a,b,c,d<BR>\n" );
document.write( "How many groups of two are there?<BR>\n" );
document.write( "Answer: 8C2 = 8*7/1*2 = 28<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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