document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=770152>Question 770152</A>: <I><SPAN STYLE=\"word-break: break-all;\"> members of a video club choose a PIN consisting of two letters and two digits.<BR>\n" );
document.write( "How many PINs are possible if neither letter nor digits may be repeated? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #469313 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=469313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> members of a video club choose a PIN consisting of two letters and two digits.<BR>\n" );
document.write( "How many PINs are possible if neither letter nor digits may be repeated?\r<BR>\n" );
document.write( "\n" );
document.write( "------------------------By using the basic counting principle\r<BR>\n" );
document.write( "\n" );
document.write( "The PINS have 4 spaces: _ _ _ _\r<BR>\n" );
document.write( "\n" );
document.write( "The first space: 26 choices (letters)<BR>\n" );
document.write( "The second space: 25 choices (letters) since no letter is repeated.<BR>\n" );
document.write( "The third space: 10 choices (10 numbers)<BR>\n" );
document.write( "The final space: 9 choices (9 letters) since no number is repeated.\r<BR>\n" );
document.write( "\n" );
document.write( "So the total PINS is 26 * 25 * 10 * 9 = 58,500\r<BR>\n" );
document.write( "\n" );
document.write( "Hope it helps you :)\r<BR>\n" );
document.write( "\n" );
document.write( "John10 (john100185@yahoo.com) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );