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How many 4 digit numbers can be formed by the digits 3 9 0 and 5 only once?
Updated: 10/18/2022
Wiki User
∙ 12y agoBest Answer
24 ways. Use the factorial function (4!).
Unless leading zero is not allowed, then it is 18 ways. (3! times 3). The article in the related link is really good.
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∙ 12y agoThis answer is:
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