8P4 is a permutation;
P(n,r) ; nPr = n!/(n-r)!
8P4 = 8!/(8-4)! = 40,320 / 4! = 40,320 / 24 = 1,680
The value of 8P4 is 1,680
Answer:
Choices C and D
Step-by-step explanation:
D and E is correct, I hope you get a good grade!
you combine like terms the (4v +5v) which comes to 9v and then you just divide by 9 to get v by itself. v=1