Question

How many different arrangements can be made with the letters in the word POWER?

A.


120


B.


20


C.


25


D.

100

Answer 1

The answer is 120 arrangements

Answer 2

(A) 120

Explanation:

Array formula: A (n, p) = n! / (n -p)!

At where:

n = Total number of elements in the set.

p = Quantity of elements per arrangement

A (5.5) = 5! / (5-5)! = (5x4x3x2x1) / 0!

By definition: 0! = 1

Then: 120/1 = 120