document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=296293>Question 296293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to find the rule of the infinite series starting with<BR>\n" );
document.write( "1, 2, 4, 8,...\r<BR>\n" );
document.write( "\n" );
document.write( "i tried multiplying, using powers, adding and subtracting..<BR>\n" );
document.write( "and nothing's worked! please help and give me tips to do it<BR>\n" );
document.write( "faster.. thanks:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213538 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=213538\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need to find the rule of the infinite series starting with<BR>\n" );
document.write( "1, 2, 4, 8,... <BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "1st: 1 = 2^0<BR>\n" );
document.write( "2nd: 2 = 2^1<BR>\n" );
document.write( "3rd: 4 = 2^2<BR>\n" );
document.write( "4th: 8 = 2^3<BR>\n" );
document.write( ".....<BR>\n" );
document.write( "nth: 2^(n-1)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Rule a(n) = 2^(n-1)<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" );