A computer password is required to be 7 characters long. How many passwords are possible if the password requires 1 letter(s) followed by 6 digits (numbers 0-9), where no repetition of any letter or digit is allowed? There are passwords. possible

Q: Find the number of ways to put eight different books in five boxes, if no box is allowed to be…

A:

Q: For some particular website, the password must start with one of the letters A, B, or C. Then there…

A:

Q: How many different passwords are possible? If a cell phone’s password consists of eight characters,…

A: Given that cell phone's password consists of eight characters. first character is 6. The number of…

Q: A website requires you to choose a username that contains 4 letters followed by 3 digits. How many…

A:

Q: To keep computer files secure, you create a six character password. Characters can be letters or…

A: There are total 26 letters (A-Z) And 10 digits (0-9) So total (26+10)=36 choices for each character.…

Q: How many different​ 4-letter acronyms can be made if the first letter must be E, X, or P and no…

A: Following solution is provided below

Q: How many different 4 digit numbers can be formed using only the digits 3, 5, 7 and/or 9, if each…

A: It is required to find the number of different 4 digit numbers that can be formed using only the…

Q: Outside a home, there is a 4-key keypad with letters A, B, C, and D that can be used to open the…

A: Given Outside a home , there is a Keypads with letter= A,B,C,D Number of codes=4

Q: A computer password must be eight characters long. How many passwords are possible if only the 26…

A: Given Total no.of alphabets=26No.of characters long =8

Q: To enter their home the rouse family enters a 6 character code consisting of 4 letters (uppercase of…

A: We have to find 6 character code consisting of 4 letters (uppercase of lowercase) and 2 digits if…

Q: How many different two-digit numbers can you form using the digits 3, 8, 7, 4, 1, and 5 without…

A:

Q: You are selecting a 7 character password using 4 letters and 3 numbers ( from 0-9 ), without…

A: The following solution is given below :

Q: How many ways to arrange 5 books on the shelf exist if two definite books are not placed together.

A:

Q: The average length of a password is 8 characters. If you are allowed to use the 26 letters in the…

A: The average length of a password = 8No. of letters in the alphabets=26No. of digits from 0-9=10Total…

Q: Outside a home, there is a 5-key keypad with letters A, B, C, D and, E that can be used to open the…

A: 5 key keypad with letter A,B,C,D,E.the key can be used to open the garage if the correct five-letter…

Q: How many different 2 letter passwords can be formed from the letters A, B, C, D, E, and F if no…

A:

Q: How many ways can you have a 6-digit passcode on your phone if you start with a 9 and none of the…

A: We need to find the number of ways to have a 6-digit passcode, given that the first digit is 9 and…

Q: A 16-bit string is a sequence of 16 symbols, each symbol a 0 or a 1. How many 16-bit strings are…

A: A bit string is a sequence of  symbols, each symbol a  or a We have to find the possible number of…

Q: A state makes license plates with two letters followed by four numbers. if no repetitions of the…

A: The license plates must consist of two letters followed by four numbers.

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit…

A: Given,digits is 0,1,2,3,5,7,8,9

Q: a) How many plates are possible when letters and numbers can repeat? Set up the expression that can…

A:

Q: email password consists of two letters followed by three digits. Find the number of passwords…

A: Concept: Given that An email address consists of Two letters followed by three digits.  Since we…

Q: A computer password consists of 4 small letters, followed by 4 numbers, 0-9 each. How many passwords…

A: 1. There are 26 letters and 10 numbers. the computer password consists of 4 small letters followed…

Q: To use an automated teller machine at a certain bank, you must enter a 4-digit code, using the…

A: Total available numbers = 9 To make 4 digit code

Q: A password consists of 6 capital letters followed by 6 digits. If repetition is allowed, find the…

A: A password consists of 6 capital letters followed by 6 digits.  If repetition is allowed, find the…

Q: A computer password is required to be 5 characters long. How many passwords are possible if the…

A: Given dataa computer password is required to be 5 cgaracters longThe password requires 2 letters…

Q: user passwords for a certain computer network consist of 6 letters( upper case ) followed by 4…

A: user passwords for a certain computer network consist of 6 letters( upper case ) followed by 4…

Q: I need to create a password for my bank account. I would choose each of the first 5 characters of…

A: Here we solve the number of possible way to make a password...

Q: A corporate password consists of four digits, followed by three lower-case letters of the alphabet.…

A: The password is 4 digits long followed by three lower-case letters.

Q: How many seven-digit numbers can be made from the digits 1 to 9 if repetition is allowed?

A: Given that  To find the number of ways of 7 digit number can be made from the 1 to 9

Q: You need to choose a new 8-character password for your account. The password can contain only…

A: The objective of this question is to calculate the total number of possible passwords that can be…

Q: license plate number consist of a letter , followed by 3 single digit numbers,followed by 2 more…

A: Given that - license plate number consist of a letter , followed by 3 single digit numbers, followed…