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DochEvi [55]
3 years ago
9

Express the series using sigma notation. 6 + 9 + 12 + 15.

Mathematics
1 answer:
Mama L [17]3 years ago
4 0

15

Σ  40

n=6

explanation; add all the numbers to get 40

6 is the first number and 15 is the last number

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