mercadonorma55p3cffx mercadonorma55p3cffx
  • 13-02-2018
  • Mathematics
contestada

how many 4 letter passwords can be formed from the letters in the word panicky if each letter has to be distinct what if letters are allowed to be repeated

Respuesta :

snorlaxventures
snorlaxventures snorlaxventures
  • 13-02-2018
The word PANICKY has 7 letters. The password chosen must have 4 letters total.

If each letter has to be distinct, meaning that the letters all have to be different, then there are 7*6*5*4 = 840 ways.

If the letters are allowed to be repeated then there are 7*7*7*7 = 7^4 = 2,401 ways.

Answer Link

Otras preguntas

what the fraction of a circle of 30 degree?
which property is illustrated by the equation (a+b)+c=c+(a+b)
. Humans who live in ________ are at risk for getting malaria. a. Alaska b. Norway c. Florida d. Mexico
What is the momentum of a 52 kg carton that slides at 5.0m/s across an icy surface?
Solve this system by using substitution: y=7x-10y=-3
Why's it possible for many different species to live together in one ecosystem?
What are two equivalent fractions for 2/10, three equivalents fractions for 3/11 and three equivalent fractions for 1/12?
What is the acceleration of a 6.4 kilogram bowling ball if a force of 12 N is applied to it?
If the atmosphere is like a greenhouse, what parts of it function as the "glass"?
George has a small coin collection.  He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a flea market, George sells 15% of