Understanding Factorials

What is the factorial of 5?

• 5

• 120

• 60

• 24

Which of the following is true about 0! and 1!?

• 0! is 1 and 1! is 0

• Both are equal to 0

• Both are equal to 1

• 0! is 0 and 1! is 1

How do you calculate 4!?

• 4 * 3 * 2 * 1

• 4 + 3 + 2 + 1

• 4 + 3 * 2

• 4 * 3 * 2

What is the expanded form of 7!?

• 7 * 6 * 5 * 4 * 3 * 2 * 1

• 7 + 6 + 5 + 4 + 3 + 2 + 1

• 7 * 6 * 5

• 7 * 6 * 5 * 4

What is the result of 9! divided by 5!?

• 720

• 120

• 5040

• 324