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How many 4 letter codes are there if letters are not repeated?
Wiki User
∙ 12y ago
If letters cannot be repeated, then there are 26 options for the first letter. There are then 25 options for the second letter. There are then 24 options for the third letter, and 23 for the fourth. This means that in total there are 26x25x24x23 options for the code. 26x25x24x23 = 358,800. Thus, there are 358,800 possible 4 letter codes.
Wiki User
∙ 12y ago
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120
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The number is 26*25*24 = 15600.
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-3
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How Many 5 Letter words can be made from the word December?
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The number is 26*25*24 = 15600.
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120
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How many different two-letter initials with none of the letters repeated can people have?
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-5
How many 3 letter and 3-digit license plates can Uncle Pennybags make with no repeated digits or letters?
11,232,000
How many characters are there in Canada's postal codes?
Since our postal codes are order like this (letter, number, letter) (number, letter, number) the result would be 26x10x26x10x26x10=17,576,000. There are 17,576,000 POSSIBLE postal codes in Canada.
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