document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=309212>Question 309212</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different 6-digit license plates can be made if the first digit must not be 0 and no digits may be repeated?\r<BR>\n" );
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document.write( "So far I have tried the 'Fundamental Counting Principle', but I cannot seem to get the answer.  I have tried 9!, but that answer makes no sense, I just do not know what to do! Please Help! Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221086 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=221086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "There are a total of 10 digits counting zero.  So if you must exclude zero for the first digit, then there are 9 possibilities for the first digit.\r<BR>\n" );
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document.write( "For each of those 9, and since I can now use zero but cannot repeat the first digit, there are 9 choices (the 9 I had to begin with plus one for the zero becoming available, and minus one for the one I used on the first digit).  9 times 9 = 81\r<BR>\n" );
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document.write( "For each of those 81 combinations, I now have 8 choices -- the nine I had when I chose the second digit, minus the one that I chose.  81 times 8\r<BR>\n" );
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document.write( "For the 4th digit, I have 7 choices.  81 times 8 times 7\r<BR>\n" );
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document.write( "And then for the 5th and 6th digits I have 6 and 5 choices:\r<BR>\n" );
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document.write( "81 times 8 times 7 times 6 times 5 = (you do your own arithmetic)\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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