document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=636117>Question 636117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 9 character password has four numbers (from 1 to 7) followed by two letters (from A to Z) followed by three more numbers (from 1 to 7).\r<BR>\n" );
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document.write( "A) How many different passwords can be formed?\r<BR>\n" );
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document.write( "B) How many different passwords have no repeated letters or numbers?<BR>\n" );
document.write( "would this be 26*7?\r<BR>\n" );
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document.write( "Any help would be greatly appreciated. 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 #400886 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=400886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9 character password has four numbers (from 1 to 7) followed by two letters (from A to Z) followed by three more numbers (from 1 to 7). <BR>\n" );
document.write( "A) How many different passwords can be formed?<BR>\n" );
document.write( "Ans: 7^4*26^2*7^3 = 7^7*26^2 = 556715068<BR>\n" );
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document.write( "B) How many different passwords have no repeated letters or numbers?<BR>\n" );
document.write( "Ans: 7*6*5*26*25*4*3*2 = 7!*26*25 = 3276000<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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