Asked by liz

find the common ratio of each sequence:
1. 8,20,50,125......?
2. 0.48,0.9,1.8,3.6.....?
Answered by Reiny
to find the common ration, divide any term by the term before it.
e.g. r = 50/20 = ....

let me know what you come up with for both of your questions.
Answered by Gabriela
The ratio of the first sequence is 2.5 so the recursive formula is going to be an= 2.5(an-1)
Answered by Anonymous
-3,-9,-27
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