What is the common ratio for the sequence 20,10,5,2.5,...?

2 answers:

7 0

12 always constant for

3 0

Answer:

Geometric Sequence 20, 10, 5, 2.5, ...

First term, a 20

Common ratio, r

10 ÷ 20 = 0.5 5 ÷ 10 = 0.5 etc.

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