A medical researcher has received approval to test a new combination drug therapy. A
Chapter 16, Problem 57(choose chapter or problem)
A medical researcher has received approval to test a new combination drug therapy. A total of 6 doses of drug X, 3 doses of drug Y, and 4 doses of drug Z are to be given on successive days. The researcher wants to determine if some orders are more effective than others. How many different orders are possible?
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