Question

Evaluate 4!.

a.) 4
b.) 12
c.) 24

Answer 1

Answer

24

Explanation

4! This is read as 4 factorial.

It means;

4! = 4×3×2×1

= 24

Answer 2

Answer is 24.

4! can be written as 1 x 2 x 3 x 4

This is called a Factorial, which is the product of integers less than or equal to n but greater than or equal to 1.

so for example, 8!

1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 = 40,320