document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604095>Question 604095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The door code to get into a top secret laboratory is 6 digits. the first 3 digits of the code are all odd and the last 3 digits are all even. Digits can be used more than once. How many possible codes are there to gain access to this laboratory?\r<BR>\n" );
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document.write( "This is a Permutations and Combinations question. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380941 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=380941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 10 single digit numbers (0,1,2,3,4,5,6,7,9,0)\r<BR>\n" );
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document.write( "There are 5 even single digit numbers (0,2,4,6,8)\r<BR>\n" );
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document.write( "There are 5 odd single digit numbers (1,3,5,7,9)\r<BR>\n" );
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document.write( "So there are 5*5*5 = 125 ways to construct the first part of the code and 5*5*5 = 125 ways to construct the second part.\r<BR>\n" );
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document.write( "In total, there are 125*125 = 15625 codes possible. </SPAN>\n" );
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