4. A palindrome is a word that reads the same forward and backward. For example, abba and cdededc are palindromes. How many palindromes of length n can be formed using 26 lower-case letters of the English alphabet?

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A: According our policy we can answer only first question for remaining please repost the question.

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A:

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Q: How many 6​-letter code words can be formed from the letters O, A, Y, H, K,W if no letter is​…

A: Given: 6 letters = {O, A, Y, H, K, W}

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Q: 3. In how many different ways can the letters of the word 'COMPUTER’ be arranged?

A: Solution (1)

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A: Here We can use basic counting and making the boxes in whch we try to fill the letters and then try…

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Q: If MZTSV= 38°, MLUSW= 40°, and mZTSW=61° find mZUSV.

A:

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Q: 15.) In how many ways can the letters of the word "MISSISSIPPI" be arranged?

A:

Q: Suppose that A = {red,white} and B= {white,blue} Then AUB=.?

A: We know that A∪B = x : x∈A or x∈B

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Q: 1. How many strings of three lowercase English letters contain at least one vowel?

A: Given: How many strings of three lowercase English letters contains at least one vowel

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A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: ************ 2. Construct S( 1,3) XP,

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Q: How may combinations can be made from B,E,A,U,T,Y, if the letters are taken three at a time?

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A:

Q: In how many ways can the word SPACE be misspelled?

A: The number of permutations of n distinct elements is n!

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Q: How many palindromes (i.e., words that read the same forward and backward) can we make from the…

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Q: How many 3-letter arrangements can be formed if at least one of the letters is to be chosen from the…

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