document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=605844>Question 605844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value of the indicated term of each sequence.( show the formula and work)<BR>\n" );
document.write( "4,-12,36,-108,...find a15 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381846 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=381846\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the exact value of the indicated term of each sequence.( show the formula and work)<BR>\n" );
document.write( "4,-12,36,-108,...find a15<BR>\n" );
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document.write( "This is a geometric sequence with common ratio = -12/4 = -3<BR>\n" );
document.write( "The nth term of a geometric sequence is a(n) = a*r^(n-1), where a = the 1st term<BR>\n" );
document.write( "So a(15) = 4*(-3)^14 = 19131876 </SPAN>\n" );
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