What is the second term of a geometric series in which the third term is and the
sixth term is Determine the sum of
the first 6 terms. Express your answer to
the nearest tenth.

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

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