Posted by Carol on Tuesday, June 4, 2013 at 12:30pm.
Find the 9th term of sequence.
4, 12, 36, 108, ....
The 9th term of sequence is ??
My answer 236,196
4+[3(n1)]
Correct?

Math for Educators  Steve, Tuesday, June 4, 2013 at 12:46pm
Looks like Tn = 4*3^(n1)
So, T9 = 4*3^8 = 26244
4,12,36,108,324,972,2916,8748,26244,...
With your proposed sequence 4+3(n1) how did you get such a large number?
Answer This Question
Related Questions
 Math  1. Find the common ratio and 9th term of the sequence 6, 3, 3/2, 3/4...
 math  The third and seventh terms of an arithmetic sequence are 10 and 20. 1) ...
 math  looking at a number sequence, I am being asked what the 9th term in the ...
 9th grade math honors  suppose t(1)=91 and 67 is another term of an ...
 Math  Arithmetic Sequences  The sum of the 4th and the 14th term of an ...
 mathematics  THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST ...
 Math  The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2...
 Math for Educators  The first difference of a sequence is 8, 12, 16, 20,... The...
 Quick math help  Find the tenth term of the sequence: 6,1,8... Is it 57? For ...
 Quick Math Help  Find the tenth term of the sequence: 6,1,8... Is it 57? For ...
More Related Questions