Answer:
1,680
Step-by-step explanation:
1680
nPr = n!/(n-r)!
Therefore:
8P4 = 8!/(8-4)!
we get;
= 8!/4!
= (8×7×6×5×4×3×2×1)/(4×3×2×1)
= 40,320/ 24
= 1680
9.4m questions
12.2m answers