A password consists of 4 characters, the first 2 being letters in the (English) alphabet and the last 2 being digits. Find the number of passwords.

Q: How many 4-letter “words” without repeated letters are possible using the English alphabet? (Assume…

A: Given that repetitions are not allowed. The first letter can be selected in 26 ways.  The second…

Q: How many 5 letter codes are possible from the first 7 letters of the alphabet? a.) letters can be…

A: Excel is used to obtain the line and bar graph for years of education and years of experience,…

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

A: Given that a password for a computer consists of four digits. We know that the possible digits are;…

Q: A State's License plates consist of 4 letters followed by 5 digits. How many possible license plates…

A: Given,  License plate consist of 4 letters followed by 5 digits. Since repetition of the letters and…

Q: Find the available number of passwords when using a 4 letter password with possible usage of…

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Q: How many computer passwords can be formed by rearranging the letters in the word "AARDVARCK’?

A:

Q: How many options do you have for a 10-digit password of 26 letters?

A: to find number of option for a 10-digit password of 26 letters

Q: can

A: Given: Condition required to make the password. To find: Number of passwords

Q: You are selecting a 7 character password using 4 letters and 3 numbers ( from 0-9 ), without…

A: The following solution is given below :

Q: There are ducks and pigs in a farm. Together, there are 35 heads and 100 legs. Assuming that each…

A: Simplification

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 credit card company gives each of its customers a 4-digit PIN where each digit is selected from…

A: Multiplication rule of counting:If a task consists of a sequence of choices in which there are ‘a’…

Q: You have an ID number containing from 9 digits. How many IDs get the 1. number "6" as their second…

A:

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: How many eight digit telephone numbers are possible if the first two digits cannot be twos or zeros?

A: To find the number of ways

Q: How many four-digit passwords can be made from the digits 0 to 5, if digits can be repeated?

A: From 0 to 5 there are 6 digits.  Given that the digits can be repeated. This means for each digit…

Q: Solve by the method of your choice:How many different four-letter passwords can be formed from the…

A: If repetition of letters is not allowed, we will use Permutations to find the number of…

Q: A combination lock uses 4 numbers, each of which can be 0 to 29. If there are no restríctions on the…

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Q: A combination lock has a dial with 30 numbers from 1 through 30.  How many three-number combinations…

A:

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: Each marble bag sold by Michael's Marble Company contains 3 blue marbles for every 5 orange marbles.…

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Q: The gate code at your apartment complex is three numerical digits followed by the “#” sign. If each…

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Q: Each marble bag sold by Deshaun's Marble Company contains 5 orange marbles for every 6 green…

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Q: A password consists of 4 characters, the first 2 being letters in the (English) alphabet and the…

A:

Q: What are the number of ways you can pick a password of 5 letters with all different letters???

A: There are a total of 26 letters in the English alphabet.

Q: You need to have a password with 55 letters followed by 22 odd digits between 00 and 99, inclusive.…

A: In this context, it is appropriate to have a password with 5 letters followed by 2 odd digits…

Q: A password consists of 6 capital letters followed by 6 digits. If repetition is allowed, find the…

A: A password consists of 6 capital letters followed by 6 digits.  If repetition is allowed, find the…

Q: A musician knows 10 songs is only going to play 4 of them at a concert. In how many different ways…

A: A musician knows 10 songs is only going to play 4 of them at a concert.  In how many different ways…

Q: assume that you are trying to transmit a secret code using 3 letter words. if only 5 letters of the…

A: Given only 5 letters of the alphabet can be usedNO.of alphabets =5No.of words should be in secret…

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 passwords of length 4 can we construct using the 26 letters of the English alphabet, If…

A: Total 26 alphabet 4 has to select

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: A phone number in the United States consists of 10 digits, 3 for a area code and 7 for the phone…

A: Given Data: The number of digits whole phone number consists of: 10 digits The number of digits the…

Q: A certain website wants you to build a 6-character password from the letters a through i, the…

A: Given: The letters will be selected from a through i. Thus, there are a total of 9 letters from a…

Q: A computer byte consists of eight bits, each bit being either a 0 or a 1. Assume that characters are…

A:

Q: You need to have a password with 4 letters followed by 4 even digits between 0 and 9, inclusive. If…

A: There are 26 letters for the first choice, 25 for the second, 24 for the third, 23 for the fourth.…

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

A:

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

A:

Q: I want to make a password using 3 consonants followed by 3 vowels. Given that I do not want…

A: Here Given , password made using 3 consonant followed by 3 vowels. There are total 26 alphabets , of…

Q: In a certain country, the car number plate is formed by 4 digits from the digits 1, 2, 3, 4, 5, 6,…

A:

Q: You need to have a password with 6 letters followed by 2 odd digits between 0 and 9, inclusive. If…

A: In this context, it is appropriate to have a password with 6 letters followed by 2 odd digits…

Q: How many passwords can be made if each password a sequence of 4 uppercase flowed by a consonant…

A: For one digits we have 10 choice For 2 digits we have 10*10 =100 choice  For one  Uppercase latter…

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: How many passwords can be made if each password a sequence of 4 uppercase followed by a consonant…

A:

Q: Red and blue ceramic tiles are laid according to a pattern such that for every 22 red tiles used, 3…

A: Given that there are total 300 ties of Red and blue colour .according to pattern every 22 red…

Q: How many 5 letter "words" can be formed if exactly 2 of the letters are vowels if order is…

A: There are 5 vowels and 21 consonants. Here, the order is important.

Q: How many ways are there to choose a password that has a length of 20 that contains only lowercase…

A: We have to find out no. Of ways..

Q: 2. How many alphabet characters should a password be composed, making sure that there are at least 2…

A: Hello learner, we can answer first question as per the honor policy. Please resubmit other question…