Question

if the number of non-empty subsets of a set A is 4095, find the number of elements in set A

Answer 1

Answer:

The answer is 12

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Step-by-step explanation:

Let n be the number of elements in A

Then the number of non-empty subsets of a set A is 2^n - 1

So

2^n - 1 = 4095

2^n = 4096

2^n = 2^12

n = 12