A={n|n is a positive integer divisible by 12 ^ns 80 } B = {s|s is a bit string with length 5 that has at least four I digits } C= {n|n is a positive integer divisible by 8 A ns 80 ; a. What is A × B? b. What is C- A? c. What is P(A)U P(B)|? P(A) refers to the power set of A and P(B) refers to the power set of B.

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