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    Geometric Sequence : Ratio of Terms and Geometric Sums of First n Terms

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    Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27... to find the following:

    a) What is r, the ratio between 2 consecutive terms?
    b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms?
    c) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 12 terms?

    Please show all work to help me understand this problem. Thanks

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    Solution Summary

    A geometric sequence is investigated.

    $2.49

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