Topic 12: Factorials!

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

Expand 4!

• 4+3+2+1

• 4 * 3 * 2 * 1

• 4+5+6

• 4

Simplify this

• 6

• 30

• 1/5

• 1/6

Simplify this

• 90

• 2

• 1/2

• none of these

Evaluate: (6 - 5)!

• 1

• 11

• 720

• 600

Evaluate: (24/6)!

• 24

• 720

• 12

• 6

3! x 0! =

• 0

• 1

• 3

• 6