How many strings of seven lower case letters of the English alphabet contain exactly four letters w in them? Select all that applies.

Q: How many different passwords of 4 characters can be made using the numbers from 0 to 9 and the…

A: A password of four characters is to be made using the numbers from 0 to 9 i.e. 10 digits and the…

Q: How many different 4-letter radio-station call letters can be made   if the first letter cannot be…

A: Given: 4- letter radio-station call letter has to be made with first letter should not be A, B or C…

Q: How many different passwords are possible? If a cell phone’s password consists of eight characters,…

A: Given that cell phone's password consists of eight characters. first character is 6. The number of…

Q: A website requires you to choose a username that contains 4 letters followed by 3 digits. How many…

A:

Q: The table lists the number of deaths (in thousands) in a certain country during a particular year…

A: The table shows the number of deaths in a certain county during a particular year according to race…

Q: collage has new password conditions. There must be 6 characters, which can be either numbers or…

A: In password : There must be 6 characters We can use numbers or lower case lettersNumbers = (…

Q: You have a four letter string, where each of the five vowels has to be followed by a consonant,…

A: According to the given information, it is required to find the possible number of strings of 4…

Q: My first car had a license plate which had 3 letters followed by 3 digits. How many different such…

A: We have to find different licenses plates.

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

A: We have to find 6 character code consisting of 4 letters (uppercase of lowercase) and 2 digits if…

Q: How many different passwords exist that consist of 12 characte using uppercase and lowercase…

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Q: . There are 122 ways to send 5 different gift boxes into 3 indistinguishable houses (each house can…

A: To determine whether the given statement is true or false.

Q: How many different 3 letter codes can I make that do not contain any repeated letters

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Q: How many different Kriyas may be created with only 5 of these poses?

A: In yoga, a Kriya is a complete set of specific poses and breathing techniques that are combined to…

Q: The average length of a password is 8 characters. If you are allowed to use the 26 letters in the…

A: The average length of a password = 8No. of letters in the alphabets=26No. of digits from 0-9=10Total…

Q: Consider the 7 letters A, B, D, E, F, G and O. How many 3-letter words can be formed from the 7…

A: Hi, thanks for posting the question. Since there is more than one question posted. We will answer…

Q: Passwords can have 7 characters. Each character can be an uppercase or lowercase letter, a digit…

A: (a) If any character can be used in any position we have 26 uppercase letters 26 lowercase letters…

Q: how many subsets does {8,9,10,11,12,14,15,16} have?

A: Using

Q: A 16-bit string is a sequence of 16 symbols, each symbol a 0 or a 1. How many 16-bit strings are…

A: A bit string is a sequence of  symbols, each symbol a  or a We have to find the possible number of…

Q: How many different three-letter codes can be made from the letters {a,b,c,d,e}? How many of them…

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Q: Bob owns 13 different books. He wants to pick out and arrange 5 of these books left-to-right on a…

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Q: In how many distinct orders can the sweaters be arranged if two sweaters of the same color are…

A: HERE GIVEN , A sales assistant is hanging 11 sweaters on a rack. He has 5 green sweaters, 3 pink…

Q: how many possible combinations are there for computer password that must contain six letters a…

A: Each of the places can take any letters from A to Z , as no repeat condition is given. Therefore,…

Q: How many ways can exactly four of the radios be selected and donated to a local museum?

A: Someone owns 81 antique radios, all of which are distinct. Here we will use combination. nCr = n! /…

Q: A user’s password to access a computer system consists of three digits and two letters.…

A: A permutation of a set is an arrangement of its members into a sequence or if the set is already…

Q: How many 7 letter words can be made from the letters WASTFUL if repetition of letters is allowed?

A:

Q: 23 Find the number of permutations of all the letters of the word NOTEPAD if: a) the letters can be…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: In an apartment complex with 10 mailboxes, in how many ways can a mail carrier distribute 10 letters…

A: The formula for finding the  one addressed to each box such that at least one letter is put into the…

Q: For some particular website, the password must start with one of the letters a b or c. Then there…

A: Introduction: As the English alphabet has 26 letters from A to Z, and there are 10 digits from 0…

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: what is the pattern for 44,22,20,10,8 ___ and what comes next

A: 44,22,20,10,8,_

Q: How many 12-bit strings start with 101 or end with 10 or both?

A: Here the 12-vit string is the string of length 12. And to find the number of specific types of…

Q: How many four digit codes can be made out of the digits 0,2,4and 8 if the repetition of digits is…

A: We have to find four digit codes can be made out of the digits 0,2,4and 8 ....

Q: How many different ways a 4- digit code can be made if no digit can be used more than once

A: Four digit code are We need to form 4-digit code using  0,1,2,3,4,5,6,7,8,9 digits. The number of…

Q: How many different words can be formed with the letters of the word BANANA ?

A: We have given that  the letters of the word BANANA , How many ways