SOLUTION: 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?

Question 1141385: 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 by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Presumably "chairperson" and "assistant chairperson" are distinguishable positions, so order counts. Then the calculation is a permutation.

7 choices for the chairperson, then 6 choices remaining for the assistant.

ANSWER: 7*6 = 42 ways
RELATED QUESTIONS
How many different ways can a chairperson and an assistant chairperson be selected for a... (answered by ewatrrr)

How many different ways can a chairperson and an assistant chair be selected from a... (answered by ikleyn)

How many ways can a chairperson and an assistant chair person be selected for a research... (answered by mocha,richard1234)

In how many different ways can a chairperson and assistant chairperson be selected if... (answered by ewatrrr)

In how many ways can a chairperson and a vice chairperson be selected from a committee of (answered by stanbon)

In how many ways can a chairperson and a vice chairperson be selected from a committee of (answered by Alan3354)

In how many ways can a chairperson and a vice chairperson be selected from a... (answered by checkley79)

In how many ways can a chairperson and a vice chairperson be selected from a committee of (answered by jim_thompson5910)

How many ways are there to choose a chairperson and a co-chairperson from a group of 7... (answered by ewatrrr)