Hot Student Stories
top-5-grammar-and-spelling-checkers-to-rock-in-2019

Evaluate 9P4. Please I Need a good grade! Thanks

Justin Parker

in Mathematics

follow
followin
1 answer
6 views

1 answer


Ross Pratt on January 5, 2019

Hello!₉P₄ means that the number of permutations of 9 objects selected 4 at a time. This is 9! / (9-4)! = 362,880 / 120 = 3024.nPr = n!/(n-r)! nCr = n!/(n-r)!r! So as has been said, in this case your 9P4=9!\5!=9*8*7*6=3024Hope this Helps! Have A Wonderful Day! :)


Add you answer