SOLUTION: I am just not getting this section.... Use the formula for S[n] to find the sum for the geometric sequence: 4,-16,64,-256,1024. Thanks in advance. Annie C.

Question 89889This question is from textbook Algegra & Trigonometry
: I am just not getting this section....
Use the formula for S[n] to find the sum for the geometric sequence: 4,-16,64,-256,1024.
Thanks in advance.
Annie C. This question is from textbook Algegra & Trigonometry

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Use the formula for S[n] to find the sum for the geometric sequence: 4,-16,64,-256,1024.
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Adding the positive terms get: 1092
Adding the negative terms get: -272
Adding these get: 820
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Cheers,
Stan H.
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