Question

1. Solve 6C3

A. 120
B. 720
C. 20*
D. 240

2. Which is not a combination?

A. Choosing 3 topping for your pizza
B. Lining 3 students up in a row*
C. Choosing 2 deserts from a tray of 10
D. Choosing 5 students to represent a class of 30

3. How many ways can you choose 3 dishes from a menu of 8?

A. 24
B. 336
C. 144
D. 56*

4. Is choosing 5 players to represent the team at a fund raiser a permutation or combination?

A. Permutation
B. Combination*

5. Solve 6P4

A. 240
B. 720
C. 20
D. 360*

Answer 1

6. How many different ways could you arrange 4 books on a shelf?

A. 4
B. 24*
C. 14
D. 8

7. Is choosing two toppings from a list of 8 for your pizza a permutation or combination?

A. Permutation
B. Combination*

8. How many different ways can you choose 3 frozen yogurt toppings from 20?

A. 6,840
B. 1,140*
C. 60
D. 2,260

Answer 2

@Night-Watcher

Answer 3

none of this seems appropriate ...

Answer 4

what context am i missing to justify this kind of posting?

Answer 5

This is my answers, I just want someone to check them.

Answer 6

B
D
B
D
B
B
B

8C3
8! / [3!(8 - 3)!]
8! / (3! * 5!)
(8 * 7 * 6 * 5 * 4 * 3 * 2) / (3 * 2 * 5 * 4 * 3 * 2)
(8 * 7 * 6) / (3 * 2)
8 * 7
56

6p4
6! / (6 - 4)!
6! / 2!
(6 * 5 * 4 * 3 * 2) / 2
360

4! =
4 * 3 * 2 =
24

20C3 =
20! / [3!(20 - 3)!]
20! / (3! * 17!)
(20 * 19 * 18) / (3 * 2)
1140

Answer 7

answer checking ... thats better than what it looked like to start with

Answer 8

This is how you set the problems up and solve them.

Answer 9

Thank you! :D This helps

Answer 10

Got them ALL right again. :D