SOLUTION: The first term of a geometric sequence is 5 and the common ratio is 2. Find the first four terms of the sequence.

Question 524498: The first term of a geometric sequence is 5 and the common ratio is 2. Find the first four terms of the sequence.
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

          The first term is given, so

1. The first term is 5.

          5 times the common ratio 2 is 10, so 

2. The second term is 10.

         10 times the common ratio 2 is 20, so 

3. The third term is 20.

         20 times the common ratio 2 is 40, so 

4. The fourth term is 40.

So the first four terms are 5, 10, 20, 40.

Edwin

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