What is the missing number in the table?x12345y636216???7,776

Each y-value is 6 times the previous one: 6 × 6 = 36, 36 × 6 = 216, and 216 × 6 = 1,296. Multiplying once more gives 1,296 × 6 = 7,776, matching the last entry. The missing number is 1,296, choice D.

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