Respuesta :
there are 26 possible letters and 10P3 digits (if all the digits must be different)
= 26 * 10! / 7! = 26* 720 = 18,720
= 26 * 10! / 7! = 26* 720 = 18,720
Answer:
A 7 character computer password is made up of 4 letters followed by 3 numbers. How many different passwords are possible?
a.
333,135,504
b.
358,800,000
c.
456,976,000
d.
78,364,164,096
Step-by-step explanation:
C:
456,976,000
