Question

Which correctly models selecting a permutation without repetition of 8 objects taken 3 at a time?


A)
8P3 =8!/5!



B)
8P3 =8!/3!



C)
3P8 =3!/8!



D)
3P8 =5!/8!

Answer 1

thats selecting 3 things from 8 things

8P3

Answer 2

still stuck ?

8P3 = 8!/(8-3)!