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Mathematics 8 Online
OpenStudy (kj4uts):

Which of the following are geometric sequences? A. 1, 3, 9, 27, 81 B. 10, 5, 2.5, 1.25, 0.625, 0.3125 C. 3, 6, 9, 12, 15, 18 D. 5, 10, 20, 40, 80, 160 How do I know what is and is not a geometric sequence?

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