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How many distinct 5-letter code words can be formed from the letters in the word "TANTE" if the letters may not be repeated?
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Step-by-step solution
2 stepsFirst, let's analyze the letters in the word "TANTE": T, A, N, T, E.
There are 5 letters in total.
The distinct letters are T, A, N, E. There are 4 distinct letters.
i) The letters may not be repeated?
Identify the total number of letters and any repetitions.
The word "TANTE" has 5 letters. The letter 'T' appears twice, while 'A', 'N', and 'E' appear once.
We are forming a 5-letter code word using these 5 letters, and the letters may not be repeated (meaning each instance of a letter is used exactly once). This is a permutation of a multiset.Apply the formula for permutations with repeated items.
The number of distinct permutations of objects where there are identical objects of type 1, identical objects of type 2, etc., is given by .
Here, (total letters). The letter '
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