document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=84239>Question 84239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello I really need help.  PLEASE HELP ME... \r<BR>\n" );
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document.write( "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" );
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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" );
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document.write( "c) 	Using the formula for the sum of a geometric sequence, what is the sum of the first 10 terms?  <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 #60663 by </B><A HREF=/tutors/aboutme.mpl?userid=vertciel><B>vertciel(183)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vertciel><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=60663\">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.\r<BR>\n" );
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document.write( "To find the ratio, just compare each two consecutive terms.\r<BR>\n" );
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document.write( "Compare 1:3, 3:9, 9:27, do you see how the second integer is related to the first in terms of multiplication?\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( "Show work in this space.\r<BR>\n" );
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document.write( "To calculate the nth term of a geometric sequence, the formula is an = (a1)(r^n-1). I assume your textbook has this.\r<BR>\n" );
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document.write( "Substitute your values and you should get an = 3^(n-1). Try it from here.\r<BR>\n" );
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document.write( "c) Using the formula for the sum of a geometric sequence, what is the sum of the first 10 terms?<BR>\n" );
document.write( "Show work in this space. \r<BR>\n" );
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document.write( "The formula of for the sum of a finite geometric sequence is sn = (a1 x (1 - r^n))/1 - r\r<BR>\n" );
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document.write( "Substitute the values and you will have your answer. </SPAN>\n" );
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