Question

Evaluate the expression 4!

Answer 1

Answer:

24

Step-by-step explanation:

Using the definition of factorial

n! = n(n - 1)(n - 2) ....... × 3 × 2 × 1, hence

4! = 4 × 3 × 2 × 1 = 24

Answer 2

Answer:

24

Step-by-step explanation:

$n!=1\cdot2\cdot3\cdot...\cdot n\\\\\text{Therefore}\\\\4!=1\cdot2\cdot3\cdot4=24$