Question: Let A = {1, 2, 3, 4, 5, 6, 7} How many subsets of A are there? That is, find | P(A) | How many

Let A = {1, 2, 3, 4, 5, 6, 7} How many subsets of A are there? That is, find | P(A) | How many subsets of A contain exactly 6 elements? How many subsets of A contain no odd number? How many subsets of A contain an even number of elements

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