Consider the hex strings A=0x09a364 fd83608d2c and B=0xd09d4a09cba24e45. a) What is A B in hexadecimal? Please give your answer a leading Ox and use lowercase letters only. Make sure you use exactly 16 hex digits (which may nvolve typing in leading zeros). hexadecimal: b) Suppose that A was generated uniformly at random from all 8 byte strings. What is the probability that the second binary digit of A is 1? c) Suppose that A was generated uniformly at random from all 8 byte strings. What is the probability that the second binary digit of A O B is 1?

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