Chloenwyatt Chloenwyatt

06-03-2019
Mathematics

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How many different ways can 4 tickets be selected from 50 tickets if each ticket wins a different prize? Assume order is important.

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Ashraf82 Ashraf82

17-03-2019

Answer:

There are 5527200 different ways

Step-by-step explanation:

∵ They are 50 tickets , and order is important

∴ The choice of first ticket is 50

∴ The choice of second ticket is 49

∴ The choice of third ticket is 48

∴ The choice of fourth ticket is 47

∴ The number of ways = 50 × 49 × 48 × 47 = 5527200

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