document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457537>Question 457537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a four digit serial number is to be created from the digits 0 through 9. How many of these serial numbers can be created if 0 can not be the first digit, no digit may be repeated, and the last digit must be 5? Show work </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313923 by </B><A HREF=/tutors/aboutme.mpl?userid=amoresroy><B>amoresroy(361)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amoresroy><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=amoresroy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=313923\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st digit: 9 posible digits<BR>\n" );
document.write( "2nd digit: 9 possible digits<BR>\n" );
document.write( "3rd digit: 8 possible digits<BR>\n" );
document.write( "4th digit: 1 possible digits (number 5 only)\r<BR>\n" );
document.write( "\n" );
document.write( "Number of serial numbers = 9 * 9 * 8 * 1<BR>\n" );
document.write( "                         = 648 </SPAN>\n" );
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