How many terms are in each sequence?
12, 4, 4/3, ......, 4/729
help i dont know how to get answer
Hello, Vince604!
If you can't see the pattern, you need more help than we can offer.How many terms are in the sequence?
. .
Help, I don't know how to get answer. . You don't?
The terms are successively divided by three.
So, the very least you can do is list the terms.
. .
Gee, it looks like eight terms.
Hello again, Vince604!
Is there a faster way (like a formula i can use) to find the eighth term,
without having to list all the terms to get to it?
Yes, there is a formula.
We have a geometric series.
The first term is ; the common ratio is
The n^{th} term is: .
When does: . ?
Solve for