To use an automated teller machine at a certain bank, you must enter a 6-digit code, using the digits 1-9. How many 6-digit codes are possible if repetition digits is permitted? ... There are possible codes.

Q: a) Suppose in a university, each subject offered to students has a subject code consisting of four…

A: a) In a university each subject offered to students has a subject code consisting of four letters…

Q: how many different 5-digit codes can be formed if the first digit must be an odd number, the second…

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Q: How many different computer passwords are possible if each consists of 7 symbols and if the first 3…

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Q: (a) How many three-digit nos. can be formed from the digits 0.1.2.3.4.5 & 6 if each digit can be…

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Q: If repetition of digits is not​ allowed, how many four​-digit numbers can be formed using the…

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Q: Using the digitd 3, 4, 5, 6, 7, 8, and 9, how many 4-digit numbers can be constructed if the number…

A: Solution: From the given information, the digits are 3, 4, 5, 6, 7, 8 and 9. Here, the numbers with…

Q: A 3-digit code is to be made from the set of digits {4, 5, 6, 7, 8}. a. How many codes can be formed…

A: Given:

Q: How many five-letter passwords can be formed from the letters {A, B, J, K, X, Z} under the following…

A: From the provided information, The letters are {A, B, J, K, X, Z} Total letters = 6

Q: To use an automated teller machine at a certain bank, you must enter a 6-digit code, using the…

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Q: Given S = {1,2,5,8,9}, in how many 3 digit numbers can be formed if each number cannot be used more…

A: Here given ,  There are total 5 digits are available . And from given 5 digits make 3 digit number…

Q: In how many ways can you seat 12 people at two round tables with 6 places each? Think of possible…

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Q: . Five-digit-numbers can be formed from the six digits 2, 3, 5, 6, 7 and 0. If repetitions are not…

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Q: To use an automated teller machine at a certain bank, you must enter a 6-digit code, using the…

A: The total 10 digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

Q: In one state, each automobile license plate shows three letters followed by two digits, or two…

A: The number of letters in alphabet is 26. The number of digits from 0 to 9 is 10.

Q: Current rules for telephone area codes allow the use of digits​ 2-9 for the first​ digit, and​ 0-9…

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Q: To use an automated teller machine at a certain bank, you must enter a 3-digit code, using the…

A:

Q: How many different computer passwords are possible if each consists of 7 symbols and if the first 3…

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Q: A lock consists of a keyboard with the numbers 0 through 9. A code consist of pressing 3 numbers…

A: Solution: Note: Hi there! Thank you for posting the question. As your question has more than 3…

Q: If the letters A, B, C, D, E, and F are to be used in a five-letter code, how many different codes…

A: 6 letter A,B,C,D,E,F We have to make 5 digit code without repetition

Q: How many 3-letter passwords can be made using the letters A through Z if... a) Repetition of…

A: We have to find the number of 3-letter passwords that can be made using the letters A through Z if…

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: How many three-digit numbers can be formed under the following condition? The number is at least…

A: We have to find three - digit numbers that can be formed under condition  The number is at least 400…

Q: In a standard deck of 52 cards and 4 suits, how many cards have to be picked to be sure that at…

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Q: How many 7-digit telephone numbers are possible if the first digit cannot be four and (a) only even…

A: Note: Thank you for the question. As you have posted multiple sub-parts, we have solved the first…

Q: c) A combination lock has 10 different single digit numbers to choose from and make a number with…

A: The number of total digits to choose in the lock are 10. The number of digits used to open the lock…

Q: How many 4-letter passwords can be formed using the letters in the word "HONESTY" if the 4-letter…

A: Given: n(total) = 7 n(vowels) = 2 (O,E) n(constants) = 5 (H,N,S,T,Y) n(chosen) = 4 Assuming that…

Q: a. If there are 8 different colors of foot balls are available in a sports shop, in how many wavs…

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Q: 1. The license plates for cars in Nova Scotia typically have 6 digits. The first three digits are…

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Q: 1 How many ways can the letters of the word "PROMISE" be arranged so that the vowels always come…

A: Since the student has posted multiple questions and does not mention any specific question, so we…

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: In how many different ways can a panel of five on-off switches be set if no two adjacent switches…

A: Five on-off switches to be set such that no two adjacent switches can be off. Case 1 : First switch…

Q: A student has 10 books to arrange on a shelf of a bookcase. In how many ways can the 10 books be…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2) A school district assigns each of their students a password that consists of three unique letters…

A: Solution

Q: 23. How many ways may 5 students be elected from a club with 45 members? 24.How many two-digit…

A: 23) Total number of members = 45 Number of members to be selected = 5 Number of ways the selection…

Q: Each employee at a large company is to be issued an ID number; the ID number is to consist of one…

A: Digits sequence '000' taken as valid ID, if not one less from the answer below. There is no such…

Q: Suppose you need to enter a 4 digit code to enter a room. (a) Does the order matter? Why? (b) How…

A: Given, Suppose you need to enter a 4 digit code to enter a room. a) Yes, here order matters. Since,…

Q: To use an automated teller machine at a certain bank, you must enter a 6-digit code, using the…

A: To determine the number of 3-digit codes.

Q: Using the digits 2, 3, 6, 8, and 9, how many 3-digit whole numbers can be formed if repetitions are…

A: Provided information is; if repetitions are not permitted we have to find how many 3-digit whole…

Q: How many 4-digit pin codes can be made using the numbers 0 up to 9 if repetition is not allowed and…

A: Solution Total number of digits from 0 to 9 = 10

Q: 3. How many different license plates are possible if a state uses (a) Two letters followed by a…

A: (a).We have  (0,1,2,...,9) 10 digits , and 26  letters (A,B,C,.....,Z). Repetitions of digits and…

Q: How many three-digit numbers can be constructed from the digits 0, 3, 4, 5, 6, 8, 9 if: a)…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many possible passwords can be formed from the letters: ASSISTANT_TITAN ? How many different…

A: Permutation is arrangement of number of objects in definite order. npr=n!n-r!

Q: To use an automated teller machine at a certain bank, you must enter a 3-digit code, using the…

A: We want to find the number ways to make 3 digit number.

Q: 6. Suppose you need to enter a 4 digit code to enter a room. (a) How many such codes exists if…

A: Question: Suppose you need to enter a 4-digit code to enter a room, find (a) the number of codes in…

Q: If a bank sends a random 5-digit number to customers for security, how many potential numbers are…

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Q: If repetitions are not allowed, how many three digit numbers formed with the digits 0, 1, 2, 3, 4,…

A: Topic = Permutation and combination As per guidelines , at a time only three sub-parts of a question…

Q: 2. A combination lock has 4 wheels, each labeled with the 10 digits from 0 to 9. (a) How many 4…

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Q: License plates in a certain state follow the format: four letters, followed by three digits. In…

A: GivenLicense plates in a certain state has four letters followed by three digitsNo.of letters from…

Q: How many 7-digit ID numbers can be made if no digits repeat, and the last digit must be 0 or 1?…

A: Consider the case when the last digit is 0.  The number of digits left is 10-1 = 9 digits.  The…

Q: How many ways to arrange a 4-digit number, provided that the said number must be even and there are…

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