138k views
2 votes
A group of 10 people is choosing a chairperson and vice-chairperson. They put all 10 people's names into a hat. The first name drawn becomes chair. The second name drawn becomes vice-chair. How many possible combinations of chair and vice-chair are there?

2 Answers

7 votes

Answer:

45

Explanation:


_(10) C_(2) = (10!) ÷(8!) (10-8)!

(10 × 9)÷2 = 45

User Antonpp
by
8.2k points
5 votes

Answer: 100

Explanation:

10 people

2 chairs 1 chair 1 vice chair

10*10=100 different combinations

User Ansal Ali
by
8.5k points
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