What is the 20th term of 5, 9, 13, ...?
An arithmetic sequence changes by the same amount every time. With the formula, the 20th term is one calculation away.
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An arithmetic sequence changes by the same amount every time. With the formula, the 20th term is one calculation away.
Try this lessonIn a geometric sequence, each term multiplies the last by the same ratio. That ratio is the engine of the whole sequence.
Try this lessonWork through an example, ask for a clue when you need one, then try a new question on your own.
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