williamsantoinou4xtz williamsantoinou4xtz
  • 04-08-2017
  • Mathematics
contestada

Abdul is choosing a 3 letter password from the letters A,B,C,D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?

Respuesta :

Jefrafra
Jefrafra Jefrafra
  • 04-08-2017
There are 60 unique passwords. You can find this answer by multiplying 5*4*3 because each time you will have one less letter to choose from.
Answer Link
musiclover10045
musiclover10045 musiclover10045
  • 04-08-2017

there are 5 letters

1st letter can be any 5

2nd letter can be any 5 -1 = 4

3rd letter can be any 5 -2 = 3

5*4*3 = 60 different combinations

Answer Link

Otras preguntas

Which of these are tag words that can be used to show that you're about to include a direct quote in your research report? demands, grasped, yelled, wants accor
What is the surface area, in square centimeter, of the square pyramid?
Hello can someone please tell me what the answer to this is
What is the measure of ZR? 5 68 P 5 R.
PLEASE HELP!!!!!!!!!​
me dan aplicaciones en la medicina de la ley de gauss​
The solubility of a gas is 0.890 8/1 at a pressure of 121 kPa. What is the solubility of the gas if the pressure is increased to 150 kPa, given that the tempera
Group - 'C'14x3=121How much energy is stored when a mass of 70kg is lifted uptothe height of 30m?​
Which arc is congruent to Arc E H? Arc G H Arc F H Arc G E Arc F G
please help, please don’t answer links