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Determine if the sequence is a geometric progression. 1 1 4 16 1, - sum - 1 64 If the sequence is a geometric

Determine if the sequence is a geometric progression. 1 1 4 16 1, - sum - 1 64 If the sequence is a geometric progression, find the seventh term and the sum of the first seven terms. (If an answer does not exist, enter DNE.) seventh term

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