CPM Homework Help : A2C Problem 10-90

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Home > A2C > Chapter 10 > Lesson 10.2.3 > Problem 10-90

10-90.

Find the value of each permutation below.

_{$_{5}P_{3}=?$}
Hint (a):
$_{5}P_{3}=\frac{5!}{(5-3)!}$
Answer (a):
$60$

_{$_{7}P_{4}=?$}
Hint (b):
See part (a).
Answer (b):
$840$

_{$_{8}P_{2}=?$}
Hint (c):
See part (a).

_{$_{10}P_{3}=?$}
Hint (d):
See part (a).

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