SOLUTION: Write the given series in summation notation. 3 − 9 + 27 − 81 + 243 − 729 + 2187

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Question 1178670: Write the given series in summation notation.
3 − 9 + 27 − 81 + 243 − 729 + 2187

Answer by math_helper(2461) About Me  (Show Source):