ers in your note Which of the following situations illustrate permutation? A. selecting fruits to make a salad B. assigning telephone numbers to homes C. choosing household chores to do after classes D. selecting posters to hang in the walls of your room Calculate $P(12, 4)$. A. 40 320 B. 11 880 C. 990 If $P(9, r) = 504$, what is $r$? A. 7 B. 6 If $P(n, 4) = 17\ 160$, then $n =$ A. 9 B. 11 Calculate $\frac{7!}{3!2!}$
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In this case, we need to identify situations where we need to select items in a specific order. Out of the given options, selecting posters and choosing numbers to assign to homes require a specific order. Show more…
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