What is the common ratio for the following geometric sequence? -500, 100 , -20, 4,....

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asked Mar 25, 2020 82.0k views

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Jimit Shah · Answer 1 · 2020-03-29T04:39:40+0000

The common ratio is -1/5.

Each number is the opposite (negative sign) and one fifth of the last one. This means to get the next term, you multiply by -1/5, so that is your common ratio.

What is the common ratio for the following geometric sequence? -500, 100 , -20, 4,....

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