We are required to find the common ratio of the sequence 28, 14, 7, 3. 5
The common ratio for the sequence 28, 14, 7, 3.5 is 1/2 or 0.5
Given:
28, 14, 7, 3.5
first term = 28
second term = 14
Second term = a × r
where,
a = first term
r = Common ratio
Second term = a × r
14 = 28 × r
14 = 28r
divide both sides by 28
r = 14/28
r = 1/2 or 0.5
Therefore, the common ratio for the sequence 28, 14, 7, 3.5 is 1/2 or 0.5
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