be repeated ONCEPTS USING AND INTERPRETING C 19. Video Games You have seven diff

Question

be repeated ONCEPTS USING AND INTERPRETING C 19. Video Games You have seven different video games. How many er ways can you arrange the games side by side on a shelf? 20. Skiing Eight people compete in a downhill ski race. Assuming that 21. Security Code In how many ways can the letters A, B, C, D, E, and 22 Starting Lineup The starting lineup for a softball team consists of 10 pla are no ties, in how many different orders can the skiers finish?h and F be arranged for a six-letter security code avers How many different batting orders are possible using the starting

Explanation / Answer

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All the below problems demand matter of arrangement. Hence, we use the n! formulae to solve this problem.

19. 7 different vide ogames can be arranged in 7! ways = 840 ways

20. They can finish in 8! ways = 5040 ways

21. A,B,C,D,E and F can be arranged in 6! ways = 120

22. 10 players can have batting order lined up in 10! arrangements = 3628800

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