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Given the sequence , …

  1. What kind of sequence is it?

    How do you get from one term to the next?
    By adding or by multiplying?

  2. Define the sequence explicitly.

    See the online help for problem 5-67. Remember that .

  3. Is 109 a term of the sequence? If so, which term is it?

  • Let in the equation you wrote for part (b).
    Solve for . Remember that is the term number.

  • , so no, is not a term in the sequence.