document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=595797>Question 595797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The access code for a  car's security system consists of four digits. The first digit cannot be 5 and the last  digit must  be  even or zero. How many different codes are available? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377307 by </B><A HREF=/tutors/aboutme.mpl?userid=jerryguo41><B>jerryguo41(197)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jerryguo41><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=jerryguo41><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=377307\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Code:<BR>\n" );
document.write( "1st Number: 1, 2, 3, 4, 6, 7, 8, 9, 0 (9 possible combos)<BR>\n" );
document.write( "2nd Number: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 (10 possible combos)<BR>\n" );
document.write( "3rd Number: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 (10 possible combos)<BR>\n" );
document.write( "4th Number: 1, 3, 5, 7, 9 (5 possible combos)\r<BR>\n" );
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document.write( "So to calculate number of codes:<BR>\n" );
document.write( "Possible numbers of (1st Number*2nd Number*3rd Number*4th Number)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2A10%2A10%2A5 ALIGN=MIDDLE  ALT=\"9%2A10%2A10%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4500 ALIGN=MIDDLE  ALT=\"4500\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "There are 4500 different possible combinations  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );