document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160695>Question 1160695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A briefcase lock opens with the correct 4-digit code. If the digits can be any number from 0-9 with no repetition, how many 4-digit codes are possible that end in a multiple of 3? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #784067 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=784067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A briefcase lock opens with the correct 4-digit code. If the digits can be any number from 0-9 with no repetition, how many 4-digit codes are possible that end in a multiple of 3?<BR>\n" );
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document.write( "The units must be 0, 3, 6 or 9 ---> 1 of 4<BR>\n" );
document.write( "The other 3 are 1 of 9,<BR>\n" );
document.write( "then 1 of 8,<BR>\n" );
document.write( "then 1 of 7.<BR>\n" );
document.write( "---> 4*9*8*7<BR>\n" );
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document.write( "If you don't want 0 to be used as a multiple of 3, then make adjustments. </SPAN>\n" );
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