Question

in how many different ways can a police department arrange five suspects in a police lineup if each lineup contains all five people?

ways
(type a whole number.)

Explanation:

Step1: Identify permutation of 5 people

Arranging all 5 suspects is a permutation of 5 items: $5!$

Step2: Calculate factorial value

$5! = 5×4×3×2×1 = 120$

Answer:

120