A realator uses a lock box to store keys to a house that is for sale. The access code for the lock box consists of five digits. The first digit must be even (0,2,4,6,8), the second digit must be odd (1,3,5,7,9), and none of the digits can be repeated. How many different codes are there available?

Q: How do I solve a exponet

A:

Q: A pharmaceutical company is going to issue new ID codes to its employees. Each code will have three…

A: The employee ID of the company will have 3 letters followed by 1 digit. It is given that the letters…

Q: Michael needs to choose a password for his bank card. The password can use the digits 0, 1, ...,9…

A: Permutation: Let us consider total number of elements n and r to be chosen in a specific way then…

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

A: Given: Length of access code = 5 Here, first digit cannot be 0 and the last digit will be even.

Q: supermarket wants to send codes for $0.25 off a bag of chips to its rewards program members. Each…

A: Given, a supermarket wants to send codes for $0.25 off abag at chips to its rewards program…

Q: Show that on a street with 101 houses where each house has a distinct street number between 1 and…

A: For the solution of the problem follow the next step.

Q: A department store wants to send codes for $15 off a $75 purchase to the subscribers of its e-mail…

A: Given Information:  There are 23 letters to be used and 10 digits to be used to create a code To…

Q: In a certain state, automobile license plates start with one letter of the alphabet, followed by…

A: In a certain state, automobile license plates start with one letter of the alphabet, followed by…

Q: Each student at State College has a student I.D. number consisting of seven digits (the first digit…

A: no.of digits ( 0 to 9)=10no.of letters(A,B,C,D,E)=5

Q: Each student at State College has a student I.D. number consisting of five digits (the first digit…

A:

Q: A pharmaceutical company is going to issue new ID codes to its employees. Each code will have three…

A: Total answers posted by the expert is: 875   Number of ways to select the first letter  = 24 Number…

Q: How many different five​-letter passwords can be formed from the letters A, B, C, D, E, F, G and H…

A: Permutation rule:From a group of n items, k items can be arranged in ordered ways in,

Q: A supermarket send codes for $0.25 off a bag of chips to its rewards members. Each coupon code will…

A: Number of letters allowed = 24 Number of digits allowed = 7 Each coupon code will have one digit…

Q: selected from a group of 11 Republicans and for Democrats. Find the number of ways of obtaining a…

A: Given that   Committee consists of members (r) = 7 Committee need to be selected from group of 11…

Q: f n ∈ n and n<2000 , how many numbers n have the property that the sum of the digits of n and the…

A: Given, if n∈ℕ and  n&lt;2000.

Q: Assume the sales representative calls 5 customers, and each call has 2 possible results: reaches the…

A:

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

A:

Q: Suppose that you have a combination lock that uses letters instead of numbers for its combination,…

A: Solution: The total number of letters is 26 and the lock will be opened with four letters and…

Q: How many different four-letter passwords can be formed from the letters A, B, C, D, E, F, G and H if…

A:

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

A:

Q: In a stack of cards, each card has a number and letter on opposite sides. You are told that all…

A: Each card has a number and a letter on opposite sides. Any number that is even as well as divisible…

Q: A supermarket wants to send codes for $0.25 off a bag of chips to its rewards program members. Each…

A: There are 24 letters and 7 digits that would be used to generate a coupon with one digit follows by…

Q: A 125-page document is being printed by five printers. Each page will be printed exactly once. (a)…

A: Consider the provided question, (a) There are 5 printers A, B, C, D and E. Each printer can print…

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

A: Given: Digit is from 1 to 9   Unit must be = 3,6,9 that mean 1 of these 3 Other 3 are from 1-8 ,…

Q: Suppose a n × n chessboard is missing two opposite corners. Prove that no matter what n is, you will…

A:

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: Each student at State College has a student I.D. number consisting of five digits (the first digit…

A: There are totally 10 digits, the first digit has 9(Because first digit is nonzero) choices. Since…

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

A: Given: Number of digits in access code = 4 First digit cannot be 2. Last digit must be odd. 0 is…

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

A: In this case, the number of ways to fill 1st digit is 9 except the digit 5.

Q: Suppose a milling machine may suffer failure at 12 different locations. The number of ways a…

A: Problem (1 ) State the given statement is true or false

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

A:

Q: A lock uses 3 numbers as an unlock code, each of which can be 0 to 40. If there are no restrictions…

A: From 0 to 40, there are 41 integers.  Since there are no restrictions  so we can pick the first…

Q: = there to construct a string of 4 digits if numbers can be repeated?

A: We have to make a 4-digit number where digits can be repeated. Since the digits of number are not…

Q: A technology company is going to issue new ID codes to its employees. Each code will have two…

A: As each id code will have two letters, followed by one digit, followed by one letter thus,

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

A:

Q: A 125-page document is being printed by five printers. Each page will be printed exactly once. (a)…

A: (a). The number of ways for the 125 pages to assign to the 5 printers: The total number of pages in…

Q: How many different codes are​ available?

A: It is given that the code consists of four digits. The first digit cannot be zero and the last digit…

Q: A lock uses 3 numbers as an unlock code, each of which can be 0 to 19.  If there are no restrictions…

A: Given: 3 numbers to unlock the lock.

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

A:

Q: in how many ways can the ten digits be written in a row if the even and odd digits have to alternate

A: Answer is 28800 Explanation is given below

Q: An oil company is going to issue new ID codes to its employees. Each code will have one letter,…

A:

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

A:

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

A:

Q: If an Iphone password can have 4 or 6 digit passwords how many combination can there be if there has…

A: Iphone password can have 4 or 6 digit passwords. There are 10 digits in the number system,…

Q: A natural number greater than 1 that is divisible by a number other than itself and 1 is called a/an…

A:

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

A:

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

A: Given The access code for the lock box consists of five digits. The first digit cannot be 9 and the…

Q: The number of different codes available is

A:

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

A: