document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39455>Question 39455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help.<BR>\n" );
document.write( "2)	Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following:<BR>\n" );
document.write( "a)	What is r, the ratio between 2 consecutive terms? \r<BR>\n" );
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document.write( "Show work in this space.  \r<BR>\n" );
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document.write( "b)	Using the formula for the nth term of a geometric sequence, what is the 10th term?<BR>\n" );
document.write( "Answer:  the sum of the first 10 terms is: Show work in this space.  \r<BR>\n" );
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document.write( "c)	Using the formula for the sum of a geometric series, what is the sum of the first 10 terms? <BR>\n" );
document.write( "Answer: Show work in this space.   \r<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 #24933 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=24933\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ) Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following:<BR>\n" );
document.write( "a) What is r, the ratio between 2 consecutive terms? <BR>\n" );
document.write( "Show work in this space.<BR>\n" );
document.write( "Divide any term by the term preceding it to find \"r\".<BR>\n" );
document.write( "For example r=9/3=3 \r<BR>\n" );
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document.write( "b) Using the formula for the nth term of a geometric sequence, what is the 10th term?<BR>\n" );
document.write( "Answer: The nth term is a(n)=a(1)r^(n-1) where a(1) is the 1st term.<BR>\n" );
document.write( "a(10)=a(1)r^(10-1)<BR>\n" );
document.write( "a(10)=(1)3^9=19683\r<BR>\n" );
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document.write( "c) Using the formula for the sum of a geometric series, what is the sum of the first 10 terms? <BR>\n" );
document.write( "Answer: Show work in this space. <BR>\n" );
document.write( "The sum of n terms is S(n)=a(1)[(r^(n)-1)/(r-1)]<BR>\n" );
document.write( "a(1) means the 1st term.<BR>\n" );
document.write( "So, S(10)=(1)[3^(10)-1)/(3-1)]=[(59049-1)/2]=29524<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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