Question

Which sequences are geometric? Check all that apply.

10, 7.5, 5.625, 4.21875, …
160, 40, 10, 2.5, …
20, 70, 245, 857.5, …
13, 16.5, 20, 23.5, …
5, 5.5, 6.05, 6.655, …
16, 17.1, 18.2, 19.3, …

Answer 1

1,3,5 no.

it's geometric..

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Answer 2

Answer:

1,2,3,5

Step-by-step explanation:

10,7.5,5.625….

160,40,10……

20,70,245….

5,5.5,6.05….