document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758153>Question 758153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the sum of the first 4 terms of the geometric series where t3 = -81 and r = 3. <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 #461327 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=461327\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sequence: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2A3 ALIGN=MIDDLE  ALT=\"a%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2A3%2A3 ALIGN=MIDDLE  ALT=\"a%2A3%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2A3%2A3%2A3 ALIGN=MIDDLE  ALT=\"a%2A3%2A3%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" >,...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B3%5D=-81=a%2A3%2A3 ALIGN=MIDDLE  ALT=\"t%5B3%5D=-81=a%2A3%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%293%2A3%2A3%2A3=a%2A3%2A3 ALIGN=MIDDLE  ALT=\"%28-1%293%2A3%2A3%2A3=a%2A3%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a=-9%29 ALIGN=MIDDLE  ALT=\"highlight%28a=-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now you can find the first four terms and find their sum.\r<BR>\n" );
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document.write( "-9, -9*3, -9*3*3, -9*3*3*3<BR>\n" );
document.write( "sum: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-9-9%2A3-9%2A9-9%2A27 ALIGN=MIDDLE  ALT=\"-9-9%2A3-9%2A9-9%2A27\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-9%281%2B3%2B9%2B27%29 ALIGN=MIDDLE  ALT=\"-9%281%2B3%2B9%2B27%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and there is a formula if you want it, but even without,<BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-9%2840%29 ALIGN=MIDDLE  ALT=\"-9%2840%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-360 ALIGN=MIDDLE  ALT=\"-360\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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