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Exploring Permutations and Combinations in Mathematical Problems

A mathematical exploration of permutations and combinations, with practical problem-solving examples.

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    Exploring Permutations and Combinations in Mathematical Problems Chapter 7 1 160P1 Find the number of possible ordered permutations when r items are selected from n available items. 160P1=nPr=(n!)/(n - r!) Fill in the known values. (160!)/((160 - 1)!) Cancel out the common factorial factors. 160 2. 7P0 Find the number of possible ordered permutations when r items are selected from n available items. 7P0 = 1 Fill in the known values. (7!)/((7 - 0)!)=1

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