document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389451>Question 389451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Express the series -27+9-3+1-... using sigma notation\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you so much!!!!!<BR>\n" );
document.write( "God Bless and Happy New Year!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275977 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=275977\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note that the terms in the sum change signs, and that the exponents are decreasing. Therefore, put a <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%29%5Ex ALIGN=MIDDLE  ALT=\"%28-1%29%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" > as part of your sum.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sum%28%28-1%29%5Ex%2A3%5E%28-x%29%2C+x+=+-3%2C+infinity%29 ALIGN=MIDDLE  ALT=\"sum%28%28-1%29%5Ex%2A3%5E%28-x%29%2C+x+=+-3%2C+infinity%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );