9. How many bit strings(strings of 1 or 0) of length 8 are there such that the string should start with 10 or end with 001. (For example, 11001001, 10111011, 10110001.)

Q: 195!/192!

A: Factorial means multiplying all the integers till the number.  n!= 1×2×3×......×n   We can rewrite…

Q: (i) Count the number of bit strings of length four that do not have two consecutive 1s?

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Q: . How many 8 digit binary strings have exactly 5 ls?

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Q: In Section 2.5 we showed how integers can be represented by strings of 0's and 1's inside a digital…

A: It is given that, integers can be represented by strings of 0's and 1's inside a digital computer.…

Q: Compute 25200 mod 27.

A: As 25 is coprime to 27, by Euler's theorem, we see        25φ(27) ≡ 1 (mod 27)  Now,        φ(27) =…

Q: different numbers between 1 and 49. The set of six numbers from each lottery ticket are keys in a…

A: Given are the lottery tickets 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23…

Q: Give a recursive definition for the set of all the positive integers that are less than 100 and not…

A: Given: Set of all positive integers that are less than 100. To find: Recursive definition for the…

Q: Consider a binary code with 5 bits (0, 1 or 2) in each code word. An example of a code word is…

A: Hello! As you have posted 2 different questions, we are answering the first question (4-2). In case…

Q: How many binary strings of length 10 are there in which the number of 0's in the string is not equal…

A: We have to find the numbers of binary strings of length 10 are there in which the number of 0's in…

Q: Let * be a binary operation on N defined by a*b=Da-b+ab^2, then find 4*5. ***

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Q: last step is where I don't understand how do you get the 138 from  54975581388 mod 143?

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Q: code words have exa code words begin witl

A: As per the bartleby guidelines for more than three parts only three has to be solved. Please upload…