Example 5: Evaluating Factorials Evaluate each expression (a) 7! (b) (c) 8! 6! 10! 7! 3!

MATLAB: An Introduction with Applications
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Key Concept: Factorials
A factorial is the product of an integer and all the integers below it. For example, 5! =
5x4x3x2x1
Example 5: Evaluating Factorials
Evaluate each expression
(a) 7!
(b)
(c)
10!
713!
Definition: Permutation
A permutation is an arrangement or an ordering. For a permutation, the order matters.
Example 6: Arranging students in a line
How many different ways can 3 students be lined up to purchase a new textbook reader?
(After this example, there is another factorial example in the case that you need to see it agai
Otherwise, skip forward.)
64
Transcribed Image Text:Key Concept: Factorials A factorial is the product of an integer and all the integers below it. For example, 5! = 5x4x3x2x1 Example 5: Evaluating Factorials Evaluate each expression (a) 7! (b) (c) 10! 713! Definition: Permutation A permutation is an arrangement or an ordering. For a permutation, the order matters. Example 6: Arranging students in a line How many different ways can 3 students be lined up to purchase a new textbook reader? (After this example, there is another factorial example in the case that you need to see it agai Otherwise, skip forward.) 64
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