Find the common ratio and write out the first four terms of the geometric sequence
Common ratio is
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Step 1 :The common ratio of a geometric sequence is the ratio between any term and the previous term. In this case, the common ratio is 2, because each term is multiplied by 2 to get the next term.
Step 2 :The first four terms can be found by substituting n=1, n=2, n=3, and n=4 into the formula for the nth term.
Step 3 :Let's calculate these values. For n=1,
Step 4 :