Question

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what is the common ratio of the sequence? -2, 6, -18, 54,..

-3
-2
3
8​

Answer 1

The common ratio (R) is -3.

-2 times -3 is 6.
6 times -3 is -18.
-18 times -3 is 54.

R=-3.
This is a geometric sequence.

Answer 2

Answer:

-3 (the first option)

Step-by-step explanation:

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