document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1152872>Question 1152872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different license plates with repetition involving 3 letters and 4 digits if 3 letters must appear together at the beginning or at the end of plate.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #774991 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=774991\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Number of sequences (permutations) of 3 letters with repetition (assuming the English language alphabet with 26 letters): 26*26*26 = 26^3<br><BR>\n" );
document.write( "Number of permutations of 4 digits with repetition: 10^4<br><BR>\n" );
document.write( "Number of permutations of the group of 3 letters and the group of 4 digits: 2<br><BR>\n" );
document.write( "Number of license plates: (2)(26^3)(10^4)<br><BR>\n" );
document.write( "Use a calculator if the answer is required in a simplified form.<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );