SOLUTION: I have to find the "nth" term in a sequence. The series of numbers is -2,-10,-50, -250... I have to find the fifth and ninth term in this sequence. I have come across several equat

Question 410797: I have to find the "nth" term in a sequence. The series of numbers is -2,-10,-50, -250... I have to find the fifth and ninth term in this sequence. I have come across several equations and they are:
and
This is a question on a take home quiz and don't necessarily want the answer, I just need help on what each of the variables stands for.(Example: A(n) is the nth term you want to find)
Please help A.S.A.P. and Thank You!
Sincerely,
-In Need of Help

Found 2 solutions by scott8148, stanbon:
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
this is a geometric sequence ___ each term is 5 times the previous term , so the common ratio (r) is 5

starting with some term "a" ___ a , a(5) , a(5^2) , a(5^3) , etc

you can see that the nth term would be ___ a[5^(n-1)]
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I have to find the "nth" term in a sequence. The series of numbers
is -2,-10,-50, -250... I have to find the fifth and ninth term in this sequence.
This is a geometric sequence because each successive term is 5 times
the previous term.
---
Formula:
The nth term formula is a(n) = a(1)*r^(n-1)
----
In your sequence a(1) is -2 and r is 5
---
Find a(5)
Find a(9)
==================
Cheers,
Stan H.

This is a question on a take home quiz and don't necessarily want the answer, I just need help on what each of the variables stands for.(Example: A(n) is the nth term you want to find)

RELATED QUESTIONS
the second term of a geometric sequence is 10 and the fifth term is 7290. find the nth... (answered by stanbon)
The second term of a geometric sequence is 10 and the fifth term is 7290. find the nth... (answered by ewatrrr)
really struggling with this ... have done the rest of homework but cant understand when... (answered by drj,tutor_paul)
I have the sequence 2,5,9,14,20,27,35,44... How can I find an explicit formula to find (answered by stanbon,0123456)
I'm a high school student in Algebra 2. I have a couple questions, 1. what are the... (answered by stanbon)
Determine the common difference, the fifth term, the nth term, and the 100th term of the... (answered by josgarithmetic)
I am very frustrated. I am working on geometric series of numbers and thought that it... (answered by stanbon,AnlytcPhil)
Find the fifth, ninth and hundredth term of the sequence. -19, -22, -25, -28, A(n) =... (answered by stanbon)
The nth term of a geometric series is 2*(5)^n. Find the first and fifth terms. (answered by ikleyn)