Question

evaluate 6! * 8!/7! * 4!

Answer 1

8! = 8.7.6.5.4.3.2.1

Answer 2

. == multiply

Answer 3

then?

Answer 4

do the same for the rest

Answer 5

8!=8*7!
6!=6*5*4!
does this help ?

Answer 6

so 8!/7! = 8
and 6!/4! = 6*5
so final answer = 8*6*5=??

Answer 7

yes thanks !

Answer 8

6!*8! = (6*5*4!)*(8*7!)

hence

\[\frac{ 6!*8! }{ 7!*4! }\ = \frac{ (6*5*4!)*(8*7!) }{ 7!*4! }\]

which gives 6*5*8=240

Answer 9

240!

Answer 10

240 not 240! :P