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(n-1)]

Correct?

- Math for Educators -
**Steve**, Tuesday, June 4, 2013 at 12:46pm
Looks like Tn = 4*3^(n-1)

So, T9 = 4*3^8 = 26244

4,12,36,108,324,972,2916,8748,26244,...

With your proposed sequence 4+3(n-1) 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 for Educators - The first difference of a sequence is 8, 12, 16, 20,... The...
- Math - 3,5,-5... The first term in the sequence of #'s shown above is 3. Each ...
- math - Find the 265th term of an arithmetic sequence whose second term is 5/8 ...
- Math - 1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve ...