document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=207496>Question 207496</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have no idea how to even begin to solve this problem. Help please!\r<BR>\n" );
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document.write( "An automobile license plate consists of 3 letters followed by 4 digits.<BR>\n" );
document.write( "  <BR>\n" );
document.write( "How many different plates can be made?<BR>\n" );
document.write( "If repetitions are allowed?<BR>\n" );
document.write( "If repetitions are not allowed?	<BR>\n" );
document.write( "If repetitions are allowed in the letters but not in the digits? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156911 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=156911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  I have no idea how to even begin to solve this problem. Help please! <BR>\n" );
document.write( "An automobile license plate consists of 3 letters followed by 4 digits.\r<BR>\n" );
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document.write( "How many different plates can be made?<BR>\n" );
document.write( "If repetitions are allowed?<BR>\n" );
document.write( "Assuming it's all CAPs, you get<BR>\n" );
document.write( "26*26*26 for the letters, then<BR>\n" );
document.write( "10*10*10*10 for the numbers.<BR>\n" );
document.write( "= 26*26*26*10*10*10*10 = 175760000.<BR>\n" );
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document.write( "If repetitions are not allowed?<BR>\n" );
document.write( "The 1st letter is 1 of 26, then 1 of 25, then 24.<BR>\n" );
document.write( "Then 1 of 10 numbers, 1 0f 9, etc.<BR>\n" );
document.write( "= 26*25*24*10*9*8*7 = 78624000.<BR>\n" );
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document.write( "If repetitions are allowed in the letters but not in the digits?<BR>\n" );
document.write( "Do it like the ones above. </SPAN>\n" );
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