Sunday

August 31, 2014

August 31, 2014

Posted by **reema** on Friday, May 4, 2012 at 9:58pm.

-9,27,-81............

- math -
**bobpursley**, Friday, May 4, 2012 at 10:07pmsequence is ar^n where a=-9, r=(-3)^n

15 term> is -9 the zeroth term, or first. Let it be first, then r=(-3)^(n-1)

so 15th term...(-9)(-3)^14=-43 046 721

**Related Questions**

Math - the 12th term in a geometric sequence is 49, and the 14th term is 2401 . ...

math - he 12th term in a geometric sequence is 49 and the 14th therm is 2401, ...

math...help please! - I need help figuring this out please! :) Write an equation...

algebra - I have 3 questions I need help with. 1) what is the 15th term of the ...

algebra - Could someone check my work; 1. Generate the first five terms in the ...

hi - What is the sixth term of the arithmetic sequence if the 10th term is 33 ...

Math - A sequence is formed by adding together the corresponding terms of a ...

math - find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17...

Math - 3,5,-5... The first term in the sequence of #'s shown above is 3. Each ...

MATH - In an arithmetic sequence, the first term is 100 and the sixth term is 85...