Answer: See below
Step-by-step explanation:




Simplify:

Answer:
The number is 448.
Step-by-step explanation:
Hope it helps
Answer:
20
Step-by-step explanation:
nPr = n!/(n-r)!
5P2 = 5!/(5-2)!
= 5!/3!
= 5×4×3!/3!
= 5×4
= 20
Ya what the person above me said