document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=628591>Question 628591</A>: <I><SPAN STYLE=\"word-break: break-all;\">  How many proper subsets does the set A=(a,b,c,d) have?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #395745 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=395745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  How many proper subsets does the set A=(a,b,c,d) have? <BR>\n" );
document.write( "And: 2^4 - 1 = 15<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );