» Give the first 10 terms of the geometric sequence whose first term is 3 and a common ratio of 2, then find the sum of its first 10 terms.
Answer: The first 10 terms of the geometric sequence whose a1 = 3 and r = 2 is 6, 12, 24, 48, 96, 192, 384, 768, and 1,536.
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