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Questions and Answers
What is the sum of the first 10 terms of the arithmetic sequence 3, 7, 11, ...?
What is the sum of the first 10 terms of the arithmetic sequence 3, 7, 11, ...?
- 100
- 90 (correct)
- 80
- 70
In a geometric sequence, if the first term is 5 and the common ratio is 2, what is the fifth term?
In a geometric sequence, if the first term is 5 and the common ratio is 2, what is the fifth term?
- 160 (correct)
- 40
- 320
- 80
What is the sum of the first 8 terms of the series defined by the sequence $3, 6, 12, 24, ...$?
What is the sum of the first 8 terms of the series defined by the sequence $3, 6, 12, 24, ...$?
- 420
- 408
- 384
- 396 (correct)
Which type of sequence has a common difference between terms?
Which type of sequence has a common difference between terms?
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