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A sale representative must visit 4 cities: Omaha, Dallas, Wichita, and Oklahoma City. Use the multiplication rule of counting to determine the number of different choices the sales representative has for the order in which to visit the cities.

Let the four cities be Omaha = A, Dallas = B, Wichita = C and Oklahoma = D.

Now, we have to arrange the four …

A Complete, Neat and Step-by-step Solution is provided.