SOLUTION: A geometric sequence has a first term of 768 and the second term is 576. I need to find the LEAST value of n such that the nth term of the sequence is less than 7. I found that

Question 1104451: A geometric sequence has a first term of 768 and the second term is 576.
I need to find the LEAST value of n such that the nth term of the sequence is less than 7.
I found that r=0.75?
Do I use the formula ar^n-1?

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
First term being 768, and , then general term

What n so that term less than 7?

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Answer by ikleyn(52794) (Show Source): You can put this solution on YOUR website!
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Please do not tell that you found r = 0.75.

It was ME who found it for you under this link

https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1104433.html

https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1104433.html

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