SOLUTION: A password consists of 4 letters followed by a 3 digit number: how many passwords are available if there are no restrictions and how many passwords are available if none of the let
Algebra.Com
Question 463298: A password consists of 4 letters followed by a 3 digit number: how many passwords are available if there are no restrictions and how many passwords are available if none of the letters or digits can be repeated?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
No restrictions:26^4*10^3=456976000
.
Nothing repeated:26*25*24*23*10*9*8=258336000
.
Ed
RELATED QUESTIONS
A password consist of 4 letters followed by 3 digits. How many passwords are possible if... (answered by sudhanshu_kmr)
a password consits of four letters followed by THREE-DIGIT NUMBER. HOW MANY PASSWORDS... (answered by stanbon)
6. A pass word consists of three letters followed by a three digit number.
(a) How many... (answered by Fombitz)
A password consists of 2 letters followed by a five-digit number. How many
passwords are (answered by Edwin McCravy)
a user's password consists of 8 letters followed by 6 digits how many different passwords (answered by ikleyn,Alan3354)
you are choosing a computer password. The password has 3 lowercase letters followed by 2 (answered by brucewill)
a password consists of one letter followed by a six-digit number. how may passwords are... (answered by checkley77)
You have a computer password that consists of 3 digits and 2 lowercase letters. How many (answered by Alan3354)
A phone banking password consists of 2 letters followed by 4 digits. The letters B and X... (answered by Fombitz)