Counting Principles and Factorial

Which is a factorial?

• 3!
• 3a
• 3?
• 3*

Expand 6!

• 6+5+4+3+2+1

• 6^.5^.4^.3^.2^.1

• 4+5+6+7+8+9

• 6

Simplify this

• 6

• 30

• 1/5

• 1/6

At Papa John's you are deciding on what you want for dinner. The pizza offers 8 different meats, 4 different cheeses, 3 different crust types and 2 different sauces. How many different pizzas do you have to choose from?

• 32
• 192
• 40,320
• 51,200

Which is a factorial?

• 3!
• 3a
• 3?
• 3*

6!

• 6

• 46656

• 720

• 21

What is 4! called?

• Fabulous Four

• Final Four

• Four Factorial

• Four Factored

Simplify this

• 90

• 2

• 1/2

• none of these

Nicole has four different skirts, three different blouses and two pairs of shoes which she can wear for a business meeting. In how many ways can Nicole dress for the meeting?

• 9

• 12

• 18

• 24

Expand 4!

• 4+3+2+1

• 4^.3^.2^.1

• 4+5+6

• 4