document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=846662>Question 846662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The letters a,b,c,d are to be arranged in a row with each letter being used only once and once only. In how many ways can this be done? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #509875 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=509875\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The letters a,b,c,d are to be arranged in a row with each letter being used only once and once only. In how many ways can this be done?<BR>\n" );
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document.write( "left-most letter:: 4 ways<BR>\n" );
document.write( "next letter:: 3 ways<BR>\n" );
document.write( "nest letter:: 2 ways<BR>\n" );
document.write( "right-most letter: 1 way<BR>\n" );
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document.write( "Total arrangements: 4*3*2*1 = 4! = 24 ways<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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