document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=330018>Question 330018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different ways can 12 questions on a true false test be answered if a student answers every question. \r<BR>\n" );
document.write( "\n" );
document.write( "I have... 12 questions each with 2 possible answers so... 24 different ways...is that right?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236490 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2 ways to respond to one question ___ t , f\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "4 ways to respond to two questions ___ tt , tf , ft , ff\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "8 ways to respond to 3 questions ___ ttt , ttf ,tft , ftt , fft , ftf , tff , fff\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "each question doubles the number of ways , because of two possible responses\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so for 12 questions , the number of ways is 2^12 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );