Given the following geometric sequence, find the common ratio: {3, 18, 108, ...).

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asked Jan 23, 2019 222k views

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Tmucha · Answer 1 · 2019-01-28T00:49:16+0000

Geometric sequences go up due to a common ratio. Here the common ratio can be worked out by dividing a term by its previous term e.g term 2 divided by term 1.

18/3 = 6

Therefore the common ratio is 6.

Given the following geometric sequence, find the common ratio: {3, 18, 108, ...).

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