document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=444758>Question 444758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A social security number consists of nine digits. How many different social security numbers are possible if repetition of numbers is permitted? How do I know what formula I should be using? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #306513 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=306513\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is not much of a formula; much of it is intuition and logic.\r<BR>\n" );
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document.write( "There are ten possible choices for each digit, and nine digits. The number of possible SSN's is 10x10x10x...x10 = 10^9. </SPAN>\n" );
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