Calculating Factorials

Quick

Check

Evaluate each expression.

6! =

6! = 720

Step-by-step explanation:

In evaluating factorial functions, generally

n! = n (n-1) (n-2) (n-3) ... * 1

We can see that as we are moving, the value keep decreasing by 1 until it reaches the least value which is 1.

6! = 6 (6-1) (6-2) (6-3 (6-4) (6-5)

6! = 6*5*4*3*2*1

6! = 720

12 and 120 for the next ones