What is the 8th term of the geometric sequence with this explicit formula? an= 7• (-2) (n - 1)

asked Sep 11, 2020 45.1k views

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What is the 8th term of the geometric sequence with this explicit formula?

an= 7• (-2) (n - 1)

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Answer:

- 896

Explanation:

To find the 8 th term substitute n = 8 into the explicit formula

a_(8) = 7 ×
(-2)^(7) = 7 × - 128 = - 896

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