how many passwords are there if you do not allow repeating digits? b.) How many passwords are there if you allow repeating digits,

Q: Find the complement of BA iEI

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Q: How many phone numbers are there of the form 962-xxxx? repeated is possible Answer:

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Q: A password for a computer consists of four digits. How many different passwords are possible?

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

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Q: Decide whether you would use a permutation, a combination, or neither. Next, write the solution…

A: Given that: 3 boys and 3 boys are at a party.

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

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Q: Outside a home, there is an 8-key keypad numbered 1 through 8. The correct five-digit code will open…

A: There are totally 8-key keypad numbers. The correct five-digit code will open the garage door. The…

Q: From a deck of 52 playing cards, 5 cards are to be drawn. How many sets of 5 cards are possible if:…

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Q: Arealtor uses a lock box to store the keys to a house that is for sale. The access code for the lock…

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Q: Melchizedek needs to make a password for his savings account. The password has to be 5 characters…

A: The permutation with repetition of objects can be written using the exponent form. When the number…

Q: access code for the entrance of a faculty office consists of five digits. Each digit can be 0…

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Q: How many ways can you write a 5 digit number such that some of the digits repeat? (Note: 010 is a 2…

A: Given query is to find the ways to write 5 digit number.

Q: password contains 2 letters and 2 digits.  How many passwords are possible if repetitions are NOT…

A: The number of letters is 2 and the number of words is 2.

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A: Given information: License plates consist of 3 letters followed by 3-digit whole numbers.

Q: How many 3-digit number can be formed from the digits 0,1,2,3  a. if no two digits are to be the…

A: * SOLUTION :-  from the given information the calculation is given below

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A: The divisibility rule for 5 is that a number is divisible by 5 if its unit digit is 0 or 5. In other…

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Q: Savanna is playing a game with her friends. She tells them to each pick a number, and then she…

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

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Q: How many 4-digit number can be formed with the digits 5,2,3,0,4,6 and 7 which are divisible by 5 and…

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Q: A regular license plate in California begain with a digit from 1-9 followed by three letters,…

A: Step 1: Step 2: Step 3: Step 4:

Q: A realtor uses a lock box. The access code consists of 5 digits. First digit must be odd. Second…

A: In question,  Given that A realtor uses a lock box. The access code consists of 5 digits. First…