eeverston eeverston

04-08-2017
Mathematics

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Given the sequence in the table below, determine the sigma notation of the sum for term 4 through term 15.

n | an
1 | 5
2 | −10
3 | 20

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lovewithcompass lovewithcompass

08-08-2017

sigma from(4 to 15) 5(-2)^(x-1)

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Taskmaster1 Taskmaster1

15-02-2021

Answer:

15

∑ 5(-2)^n-1

n =4

Step-by-step explanation:

15 and n = 4 should be on top (15) and below (n = 4) of the ∑

hope this helps :)

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