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1 .Answer the following questions about the arithmetic sequence 2, 5, 8, 11, .... . Find...

1 .Answer the following questions about the arithmetic sequence 2, 5, 8, 11, .... . Find n if the series 2 + 5 + 8 + 11 + ⋯ + 119 = 2420.

2. Answer the following questions about the geometric sequence 3, 12, 48, 192. Which term in the sequence is 12288?

3. Find the sum of the series 106 + 103 + 100 + 97 + ⋯ − 41.

4.Find S7 and S∞ for the series 6 + 3 + 3/2+ 3/4 + ⋯.

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