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Math Drills
Counting & probability
Permutations
Practice 1
Counting & probability
Permutations
1 / 5
Basic
Calculate.
7
P
3
{}_{7}\mathrm{P}_{3}
7
P
3
1
35
35
35
2
210
210
210
3
42
42
42
4
21
21
21
Answer