Factorial

Front

What is the definition of factorial?

Back

The factorial of a non-negative integer n, denoted as n!, is the product of all positive integers less than or equal to n.

Front

What is 0! equal to?

Back

0! is defined to be 1.

Front

Calculate 5!

Back

5! = 5 × 4 × 3 × 2 × 1 = 120.

Front

What is the formula for calculating n! ?

Back

n! = n × (n-1) × (n-2) × ... × 1.

Front

Evaluate: 2! + 3!

Back

2! + 3! = 2 + 6 = 8.

Front

What does the notation n! represent?

Back

n! represents the factorial of n.

Front

Calculate 6!

Back

6! = 6 × 5 × 4 × 3 × 2 × 1 = 720.

Front

What is the value of 1! ?

Back

1! = 1.

Front

Evaluate: 4! / 2!

Back

4! / 2! = 24 / 2 = 12.

Front

What is the relationship between (n+1)! and n!?

Back

(n+1)! = (n+1) × n!.