document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616789>Question 616789</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A history teacher gives a 25 question T-F exam. In how many different ways can the test be answered if the possible answers are T or F, or possibly to leave the answer blank?\r<BR>\n" );
document.write( "\n" );
document.write( "thank you for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387904 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=387904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3 possible responses on 25 questions:<BR>\n" );
document.write( "# of possible total answer patterns: 3^25 = 8.4729x10^11<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );