Answer:
24
Step-by-step explanation:
WXYZ = 4 letters
P(n, r) = n!/(n -r)!
Number of object, n = 4
Sample, r = 4
P(n, r) = P(4, 4)
P(n, r) = n!/(n -r)!
= 4! / (4 - 4)!
= 4×3×2×1 / (0)!
= 24/1
= 24
You can form 24 words from rearranging WXYZ without repetition
