SOLUTION: 2) Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following: What is r, the ratio between 2 consecutive terms? Answer: a) Using the formula for the nth ter

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Question 38774: 2) Use the geometric sequence of numbers 1, 3, 9, 27, … to find the following:
What is r, the ratio between 2 consecutive terms?
Answer:
a) Using the formula for the nth term of a geometric sequence, what is the 10th term?
Answer:
Show work in this space.



b) Using the formula for the sum of a geometric series, what is the sum of the first 10 terms?
Answer:
Show work in this space.

Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
The (ratio) is determine as taking the second number divided by the first. That is 3/1, so the ratio is 3.
a) Using the formula for the nth term of a geometric sequence, what is the 10th term?


b) Using the formula for the sum of a geometric series, what is the sum of the first 10 terms?




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