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Mathematics 10 Online
OpenStudy (anonymous):

Arithmetic series? I really don't understand these two questions

OpenStudy (anonymous):

Here it is

OpenStudy (tkhunny):

You should have definitions and familiarity. Sequences that change by the same amount are ARITHMETIC. Their sums look like addition and maybe multiplication. Sequences that change by the same ratio are GEOMETRIC. Their sums look like multiplication and maybe exponentiation.

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