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Write the Sum Using Summation Notation 13+19127+1811243- \frac { 1 } { 3 } + \frac { 1 } { 9 } - \frac { 1 } { 27 } + \frac { 1 } { 81 } - \frac { 1 } { 243 }

Question 36

Multiple Choice

Write the sum using summation notation.
- 13+19127+1811243- \frac { 1 } { 3 } + \frac { 1 } { 9 } - \frac { 1 } { 27 } + \frac { 1 } { 81 } - \frac { 1 } { 243 }


A) i=15((1) i+113i) \sum _ { i = 1 } ^ { 5 } \left( ( - 1 ) ^ { i + 1 } \frac { 1 } { 3 i } \right)
B) i=15((1) i13i) \sum _ { i = 1 } ^ { 5 } \left( ( - 1 ) ^ { i } \frac { 1 } { 3 i } \right)
C) i=15((1) i13i) \sum _ { i = 1 } ^ { 5 } \left( ( - 1 ) ^ { i } \frac { 1 } { 3 ^ { i } } \right)
D) i=15((1) i+113i) \sum _ { i = 1 } ^ { 5 } \left( ( - 1 ) ^ { i + 1 } \frac { 1 } { 3 ^ { i } } \right)

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