document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227895>Question 227895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Social Security numbers are in the form ###-##-####, where each symbol represents any number 0-9.  How many Social Security numbers are possible using this format?  Will we ever run out of Social Security numbers?\r<BR>\n" );
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document.write( "Would it be 90 factorial?  Thank you.\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169280 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=169280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 9 digits, so they could be a nine-digit number.  The hyphens don't count.<BR>\n" );
document.write( "That's 10^9 = 1,000,000,000 numbers (from 0 to 999,999,999)<BR>\n" );
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document.write( "We have no way of knowing if we will \"run out\" of SS numbers.  Arithmetic cannot predict the future. </SPAN>\n" );
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