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3 years ago

8

How many different ways can a chairperson and an assistant chairperson be selected for a research project if there are 7 scienti

sts available? Which counting method do you use?

1 answer:

alukav5142 [94]3 years ago

3 0

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

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