Question

Calcule
a) 7!
b)3!×2!
c)4!×2!
d)0!/3!

Answer 1

a) 7! => 7.6.5.4.3.2! => 5040

b)3!×2!
3.2! x 2! => 6.2 => 12

c)4!×2!
4.3.2! x 2! => 24 x 2 => 48

d)0!/3! => 0