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Law Incorporation [45]
3 years ago
15

Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or co

mbination notation, if possible, and, finally, answer the question. How many different arrangements are there of the letters in the word CORRECT?
Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

Permutation is used.

No. of arrangements = 1260

Step-by-step explanation:

Permutation is used for choosing & arrangement of  'r' out of 'n' objects, when sequence is important.

Total no. of alphabets in CORRECT = 7

C is repeated twice, R is repeated twice

So, Total No. of arrangements =   <u>7 !</u>

                                                   (2!)(2!)

= 5040 / 4

= 1260

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