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How can you multiply a number by 11?

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Anonymous

12y ago
Updated: 8/20/2019

when you multiply a number by 11, the answer will have 2 of the same number, up to 99. 11, 22, 33, 44, 55, 66, 77, 88, 99. after 99 this rule doesn't work anymore.

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Wiki User

12y ago

What else can I help you with?