So 6!/3! is basically
(6)(5)(4)(3)(2)(1)
---------------------
(3)(2)(1)
You can see that (3)(2)(1) is common in both the numerator and denominator, so you can cancel them out giving you...
(6)(5)(4)
Which is 120, that's your answer!
Hope this helped so give me 5-rate and a thanks!
