document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937520>Question 937520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a problem. <BR>\n" );
document.write( "I am working on combinations. This is my problem:<BR>\n" );
document.write( "\"Mrs. Marshall has 9 different history books. How many ways can they be arranged on a shelf?\". My math book says that the answer is 362,880 but I don't see how they got that. I figure that 9C9= 9!/9!*0! would equal 1. And that's even what your website said too since the 9! and the 9! would cross each other off. But, that's not my math book's answer. <BR>\n" );
document.write( "Any help would be appreciated!   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #570885 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=570885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  9 different history books. How many ways can they be arranged on a shelf.<BR>\n" );
document.write( "Note: You are not 'choosing nine', rather 'arranging' nine different books<BR>\n" );
document.write( "......<BR>\n" );
document.write( "Ans: 9! = 262,880 ways of arranging on a shelf </SPAN>\n" );
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