document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=436711>Question 436711</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. find the 7th term in 16, 8, 4,....\r<BR>\n" );
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document.write( "2. Find the sum of the first 11 terms in the sequence 4,6,9...\r<BR>\n" );
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document.write( "3. What is the sum of the first 100 even numbers </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #302096 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=302096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. find the 7th term in 16, 8, 4,.... <BR>\n" );
document.write( "a = 7 ; r = (1/2)<BR>\n" );
document.write( "a(7) = 7*(1/2)^6 = 7/64<BR>\n" );
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document.write( "2. Find the sum of the first 11 terms in the sequence 4,6,9... <BR>\n" );
document.write( "a = 4 ; r = 3/2<BR>\n" );
document.write( "S(11) = 4[(3/2)^11-1 / (3/2)-1]<BR>\n" );
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document.write( "S(11) = 4[85.50/0.5]<BR>\n" );
document.write( "S(11) = 4[171] = 684<BR>\n" );
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document.write( "3. What is the sum of the first 100 even numbers<BR>\n" );
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document.write( "2+4+6+....+200<BR>\n" );
document.write( "200+198+....+2<BR>\n" );
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document.write( "Adding you get<BR>\n" );
document.write( "2S = 100(1st+last)<BR>\n" );
document.write( "S = 50*202<BR>\n" );
document.write( "Sum = 10,100<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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