SOLUTION: For the following series, express the finite sum in summation notation:
3 − 9 + 27 − 81 + 243 − 729
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Question 748250: For the following series, express the finite sum in summation notation:
3 − 9 + 27 − 81 + 243 − 729
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
these numbers are all powers of 3 with 3^1=3 up to 3^6=729. Therefore
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