The mean
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The sum of the numbers divided by the number of numbers.
An arithmetic sequence is a list of numbers which follow a rule. A series is the sum of a sequence of numbers.
An arithmetic series is a fairly similar to an arithmetic sequence except for the fact that in a series you are adding the numbers in between, not putting commas. Example: Sequence 1,3,5,7,.........n Series 1+3+5+7+..........+n Hope this helped(:
1,2,4, and 8.
An arithmetic series is the sum of the terms in an arithmetic progression.