``8th term:` 1/2, -1/8, 1/32, -1/128...` Find the indicated term of the geometric sequence.

Expert Answers

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You may use the following formula, such that:

`a_n = a_1*r^(n-1)`

Replacing 8 for n,`1/2 ` for` a_1`...

(The entire section contains 51 words.)

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