Lista de exercícios do ensino médio para impressão
If A is a set with 5 elements, how many are the subsets of A ?

 



answer:

If A contains k elements, so there are 2k subsets of A.

Solution:
n(A) = 5 ⇒ n[P(A)] = 25 = 32.

Obs.: n[P(A)] means number of parts of A or number of subsets of A.

The subsets of A are 32 subsets
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