document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427979>Question 427979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different subsets are there of a set with 20 elements?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297544 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=297544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By the subset rule: If the set has n elements, it will have 2^n subsets.\r<BR>\n" );
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document.write( "For your problem, there are 20 elements, it will have 2^20 subsets.\r<BR>\n" );
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document.write( "You can find the exact solution by your calculator.\r<BR>\n" );
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document.write( "Hope it will help you!John10 </SPAN>\n" );
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