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12-02-2019
Mathematics

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write the equation that modeled the sequence 63,-21,7,-7/3,7/9

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12-02-2019

Answer:

an = 63(-1/3)^(n-1)

Step-by-step explanation:

This is a geometric sequence with first term 63 and common ratio -1/3.

The equation for the nth term is

an = 63(-1/3)^(n-1).

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