document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1041517>Question 1041517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> S8= 2250, r= 2, A3= ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #656457 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=656457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S8= 2250, r= 2, A3= ? <BR>\n" );
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document.write( "Assuming your S(8) is the sum of the 1st 8 elements of the series,<BR>\n" );
document.write( "S(8) = a[(1-2^8)/(1-2)] = 2250<BR>\n" );
document.write( "a[(-255/-1)] = 2250<BR>\n" );
document.write( "a = 2250/255 = 8.82<BR>\n" );
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document.write( "a(3) = a*r^2 = 8.82*4 = 35.29<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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