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No, 81 is not in the 2 times tables. In the 2 times tables, each number is multiplied by 2, resulting in even numbers. 81 is not an even number, as it is divisible by 3, making it part of the 3 times tables.
9 multipyed (times by) by 9 = 81 LEARN YOUR TABLES!!!!
How about: 9 times 9 = 81 or 81 times 1 = 81
81 times 7 or 7 times 81 equals 567
81 times 8 = 648