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Subjects>Math>Math & Arithmetic

How many 9 digit numbers are there that don't repeat?

Updated: 12/22/2022

Wiki User

∙ 12y ago

Best Answer

Assuming no zeroes, 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 ie 362880.

If zeroes are included but not in first position, then 9 times above figure, ie 3265920.

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∙ 12y ago

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Continue Learning about Math & Arithmetic

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