to use an automated teller machine at a certain bank, you must enter a 6-digit code, using digits 0-9. How many 6-digits codes are possible if repetiotion of digits is permitted?

Q: A website requires users to set up an account that is password protected. If the password format is…

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Q: 7. You need to select a three-character password for a new online bank account. The rules are: you…

A: Permutation - The different arrangements of a given number of things by taking some or all at a…

Q: A combination lock consists of a dial with 40 numbers on it. To open the lock, you turn the dial to…

A: Given,Combination lock consists of a dial with 40 numbers.We have to turn the dial to the right…

Q: How many six-digit license plates can be made if no plate begins with 0 or 6

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Q: Answer the following question. How many license plates are possible if you must have 8 characters,…

A: One of the methods of counting in a problem is the fundamental counting principle. The fundamental…

Q: A website instructs users to create a password using 4​ alphanumeric characters (letters or digits).…

A: We have given that a website instructs users to create a password using 4​ alphanumeric characters…

Q: The employees of a company are given a 4-digit identification number. How many different numbers are…

A: GivenThe employees of a company are given a 4-digit identification numberNo.of digits from 0-9=10

Q: Some automobiles have 4 button locks. To gain entry, push each of the four buttons, in a particular…

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Q: Tonya's ZIP code is 24760. How many zip codes altogether could be formed, each one using those same…

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Q: A seven chats he insurance account number must be five letters of the alphabet followed by a…

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Q: the back of a credit card shows a 3-digit card verification (CVC). The digits can be any number from…

A: Given the back of a credit card shows a 3-digit card verification (CVC). The digits can be any…

Q: As I went to pay for my coffee, I saw a sign saying, “Win free coffee for a year! Choose 4 different…

A: The objective of this question is to find out the total number of different 4-digit passcodes that…

Q: etermine if the credit card nu 9173 is VALID or NOT?

A: a). As given above, first we need to double the alternate digits. The following table shown the…

Q: Excluding the letters I, O, Q and Z, how many plates registration number can we make if we use…

A: The number of letters in English alphabet = 26Excluding the letters I, O, Q and Z  the number of…

Q: A realtor uses a lock box to store the keys to a house. The access code for the lock box consists of…

A: A permutation is the arrangement of elements. For example, three persons viz. A, B and C can be…

Q: You need to create a four digit code. You can use the digit 035. The first is it cannot be zero. And…

A: We have to find given no. Of arrangement.

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…

Q: How many three-digit numbers less than 700 can be made using the digits 9, 7, 5, and 3 at most once?…

A: To Find: Number of possible three-digit numbers less than 700 that can be made using the digits 9,…