Posted by Crystal on Saturday, January 12, 2013 at 6:04pm.
For each geometric series, calculate t6 and S6.
a) 6 + 30 + 150
... So I'm not exactly looking for an answer to this question but I was wondering why they want you to find t6 too? Would finding out t6 (via general formula) help in any way when finding S6? I'm not trying to sass the textbook or anything, I just want to know if I'm missing anything.
Or are they just asking for t6 just to get us to continue practicing general formula?

Math  Steve, Saturday, January 12, 2013 at 6:15pm
I think it's just for practice. finding a term and a partial sum are frequent operations, so it's good to know how to get them.

Math  Crystal, Saturday, January 12, 2013 at 6:22pm
Okay, thanks. Just wanted to make sure I wasn't missing anything!
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