Question
How many permutations are there of the letters of the word ADDRESSES? How many 8-permutations are there of these nine letters?
Step 1
There are 9 letters in the word, but some of them are repeated. There are 2 Ds, 3 Ss, and 2 Es. So, we can use the formula for permutations with repetitions: Total permutations = 9! / (2! * 3! * 2!) Now, let's calculate the factorials: 9! = 9 * 8 * 7 * 6 * 5 * Show more…
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