13-03-2019
Mathematics

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

Respuesta :

13-03-2019

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.

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