Connections Academy

what is 3! simplified as

a 2
b 5
c 3
d 6***

simplify 10p4

a 210
b 360
c 5,040***
d 151,200

simplify 15c3

a 182
b 455***
c 2,730
d 910

my answers

1-d
2-c
3-b

3 answers

All three are correct.
Thanks I got 100%
tank yu