Question

A password contains exactly 6 letters. How many passwords are possible if letters cannot be used more than once?​

Answer 1

Answer: 165,765,600

Step-by-step explanation: I took the k12 test

Answer 2

Total possibilities = 165,765,600

Explanation:

Given:

Total letters = 26

Selected = 6

Find:

Total possibilities

Computation:

Total possibilities = !26 / !(26 -6)

Total possibilities = !26 / !20

Total possibilities = 26 x 25 x 24 x 23 x 22 x 21

Total possibilities = 165,765,600