find the value of the following expressions;

8!

12!

http://en.wikipedia.org/wiki/Factorial

8! means 8*7*6*5*4*3*2*1

12! means 12*11*....*2*1

To find the value of the expressions 8! and 12!, we need to understand the concept of factorial.

Factorial is a mathematical operation denoted by the exclamation mark (!). It is used to find the product of all positive integers from 1 to a given number.

For example, 8! means multiplying all integers from 1 to 8:
8! = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

Likewise, 12! means multiplying all integers from 1 to 12:
12! = 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1

To calculate these values, it is helpful to use a calculator or a math software tool as the numbers involved can become large.