Section 5.3 6. Find the value of the factorial, 7! Answer: 12. Find the value of
ID: 3438302 • Letter: S
Question
Section 5.3
6. Find the value of the factorial, 7!
Answer:
12. Find the value of the permutation 7P2
Answer:
14. Find the value of the combination 9C2
Answer:
32. Clothing Options: A woman has ve blouses and three skirts. Assuming that they all match, how many different outts can she wear?
Answer:
Section 5.3
6. Find the value of the factorial, 7!
Answer:
12. Find the value of the permutation 7P2
Answer:
14. Find the value of the combination 9C2
Answer:
32. Clothing Options: A woman has ve blouses and three skirts. Assuming that they all match, how many different outts can she wear?
Answer:
Explanation / Answer
6.
7! = 7*6*5*4*3*2*1 = 5040
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12.
As
nPr = n! / (n - r)!
Then
7P2 = 7! / (7 - 2)! = 42 [ANSWER]
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14.
As nCr = n! / [r! (n - r)!]
Then
9C2 = 9! / [2! (9- 2)!] = 36 [ANSWER]
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32.
By multiplication rule,
N = 5 * 3 = 15 outfits [ANSWER]
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