Question

4! = ?

Answer 1

4x3x2x1
!=factorial

Answer 2

4.3.2.1

Answer 3

24

Answer 4

n!= n(n-1)...2*1

Answer 5

!=The expression n! means "the product of the integers from 1 to n". For example, 4! (read four factorial) is 4 × 3 × 2 × 1 = 24. (0! is defined as 1, which is a neutral element in multiplication, not multiplied by anything.)