algebra 2 help please/check

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The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.

Part A: What is the sum of the first 6 terms of the sequence? Show your work.

Part B: How does the sum of the seriesy differ from the 6th term? Explain.

Part C: If the nth term in this sequence represents the total amount of protein a cell has produced in n hours, what would you use to find the amount of protein produced by 4 hours: the 4th term of the sequence, or the sum of the first 4 terms? Explain how you know.

A) r= 1.65/1.1=1.5=22.8594

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