Question

calcule:

a)7!

b)3! + 4!

c)13! / 8!

d)10! / 8!

Answer 1

a)7! = 7.6.5.4.3.2.1 = 840

b)3! + 4! = 3.2.1 + 4.3.2.1 = 6 +24 = 30

c) 13! = 13.12.11.10.9.8! =  13.12.11.10.9 = 154.440
     8!                8!

d) 10! = 10.9.8! = 90
     8!          8!