jessiegarrison1 jessiegarrison1
  • 12-07-2017
  • Mathematics
contestada

How many 5-letter passwords can be created if no letter can be used twice within the password?

Respuesta :

irspow
irspow irspow
  • 12-07-2017
26*25*24*23*22=7893600

or you can use

26!/(26-5)!=7893600
Answer Link
QueenJahaida
QueenJahaida QueenJahaida
  • 12-07-2017
If there are 5 letters used only, then 5! or 5*4*3*2 = 120
If all 26 letters of the alphabet may be used for the code, then:
26*25*24*23*22
If you mean letters of the alphabet, and not case sensitive, it's26*25*24*23*22
= 7893600
Answer Link

Otras preguntas

What kind of job within your chosen career field do you wish to pursue?
Guys help me out with this..Thanks
can u just draw where they supposed to go​
A gas occupies 12.3 liters at a temperature of 40 K. What is the volume when the temperture is increased to 60 K?
The following are historical events that affected the roles of women in society. Place each role in the order in which it occurred, with the earliest event on t
Evaluate 2xy when x=-1/4 and y= 3
what is most like to indicate a foodborne illness
- From a standing position, Meg jumps 7 feet 4 inches and Victor jumps 9 feet 2 inches. How many inches farther does
Erin has quarters and nickels for a total of 16 coins. The value of his coins is $2.60. How many quarters does Erin have? How many nickels does Erin have?
Please help me answer!!!!