How many posible 5-digit zip codes exist if the first number must be from 3 and 9, the last number cannot be O, and the rest of the numbers in the zip code have no restrictions? Also the zip code 30033 can NOT be used. 1. 63000 zip codes 2. 72000 zip codes 3. 71999 zip codes 4. 62999 zip codes

Q: How many possible area codes are there in the United States? (Be sure to remove 411, 800,900, and…

A: The objective is to find the number of possible area codes. Also, need to make sure to avoid 411,…

Q: Student Identification Numbers at a certain college must have four letters followed by three numbers…

A: Introduction: It is required to calculate the number of ID’s that the college can issue.

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

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Q: How many 6-character license plates are possible if the first character must be a letter that is not…

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Q: What are the number of ways a license plate can have 7 distinct letters and digits, that must start…

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Q: A credit company allocates eight digit account number such as 1122-3421 where are the digits 1…

A: A credit company allocates eight digit account number such as 1122-3421 where are the digits 1…

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

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Q: Every Wayne State student has an access id; the 6-character name consisting of 2 letters (a-z)…

A: Students id consists of 6 characters out of which the first two characters are from (a -z) and which…

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

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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: Georgia is creating new license plates for 2020. The plate will have 2 letters followed by 6 digits.…

A: There are 26 letters (A-Z) and 10 digits. [0-9]   We can pick each letter in 26 ways.  We can pick…

Q: How many different 10-letter words (real or imaginary) can be formed from the following letters? G,…

A: There are 10 letters; G, P, W, R, K, V, P, A, F, P

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: How many different seven-digit telephone numbers can be formed if the first digit cannot be zero?

A:

Q: How many possible area codes are there in the United States? (Be sure to remove 411, 800,900, and…

A:

Q: how many 7 digit phone numbers can be formed in an area code, if the symbols 0 and 1 can not be used…

A: We consider that each digit is selected independently of the others. The first digit can be any of…

Q: Before 1995, area codes for phone numbers had the following format: NNN, where first digit couldn’t…

A: Given that , Before 1995, area codes for phone numbers had the following format: NNN where (1) first…

Q: The English alphabet contains 21 consonants and 5vowels. How many word of length 4 can you write all…

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

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Q: A briefcase lock opens with the correct 4 digit code. If the digits can be any number from 1-9 with…

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Q: Jamal is creating a 5 digit passcode using the digits 0 through 9. How many 5 digit passcodes are…

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Q: A certain country's postal service currently uses 5-digit postal codes in most areas. How many…

A: The total number of digits is 10. They are 0 to 9.

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: How many different three-number “combinations” are possible on a combination lock having 46 numbers…

A: Given,A lock having 46 numbers on its dial.

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: How many different 10-letter codes can be made using three a’s, four b’s, and three  c’s?

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Q: How many combinations of three-digit numbers are possible with digits 2,4,6?

A: Given three digits are : 2 , 4  and 6 .  Combination of digits : _ _ _ (three places)  For the first…