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the fixed amount multiplied is called Common ratio
No. An 'arithmetic' sequence is defined as one with a common difference.A sequence with a common ratio is a geometricone.
The common ratio is the ratio of the nth term (n > 1) to the (n-1)th term. For the progression to be geometric, this ratio must be a non-zero constant.
You start with the number 4, then multiply with the "common ratio" to get the next term. That, in turn, is multiplied by the common ratio to get the next term, etc.
the answer is 4