Lakeyta03 Lakeyta03

Today at 3:25 PM
Mathematics

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How many different ways can a chairperson and an assistant chairperson be selected for a research project if there are 7 scientists available? Which counting method do you use?

Answer :

Today at 3:31 PM

7P2, so 42 ways - permutation method since the order of choosing matters (chair and vice chair)

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