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What is the total number of possible 4-letter arrangements of the letters m-a-t-h if each letter is used exactly once in each arrangement?

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9514 1404 393

Answer:

24

Explanation:

The number of permutations of 4 items is 4! = 24.

math, maht, mtah, mtha, mhat, mhta,

amth, amht, atmh, athm, ahmt, ahtm,

tmah, tmha, tamh, tahm, thma, tham,

hmat, hmta, hamt, hatm, htma, htam

User Dan Jenson
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