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masha68 [24]
4 years ago
12

Help please. I don’t understand this topic

Mathematics
1 answer:
forsale [732]4 years ago
7 0
The first option is your answer. 

Sigma notation is just a fancy way to shorten a sum of a series of numbers using a set equation. The "n =" tells you where to start in the sequence and the top number tells you where to stop. 
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