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pollywallythecat
05.10.2019 •
Mathematics
How many arrangements of the letters in the word o l i v e can you make if each arrangement must use three letters?
a. 60
b. 5 · 4 · 3 · 2 · 1
c. 20
d. 8 · 7 · 6 · 5 · 4 · 3 · 2 · 1
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Ответ:
Now, we want arrangements, so the order does matter. The arrangement: OLI is not the same as ILO, since they are counted as different words.
Thus, using the permutation formula, we get:
So, the answer is (A) 60
Ответ: