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xender_c
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Calculate the numbers of ways to arrange 6 letters out of 7 letters of the word `SETTEES'.
Answer:210
Could anyone explain this to me ?thx
Answer:210
Could anyone explain this to me ?thx
The formula for calculating the number of ways to arrange 6 letters out of 7 letters is 7P6 = 7!/1! = 7.
There are 7 combinations when arranging 6 letters out of 7 letters. This can be calculated using the formula 7C6 = 7!/6!1! = 7.
Permutations refer to the number of ways to arrange a set of objects in a specific order, while combinations refer to the number of ways to select a subset of objects from a larger set, regardless of their order.
Yes, the order of the letters can be repeated in the arrangements. This is known as repetition or with replacement, where each letter can be used more than once in a single arrangement.
If repetition is not allowed, the number of ways to arrange 6 letters out of 7 letters can be calculated using the formula nPr = n!/(n-r)!, where n is the total number of letters (7) and r is the number of letters to be arranged (6). This results in 7P6 = 7!/(7-6)! = 7!/1! = 7.