Find the number of subsets of the set (4,5,6)

asked Jul 7, 2020 50.7k views

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If a set
contains
elements, then the number of subsets of this set is
$|\mathcal{P}(A)|=2^n$ .

$A=\{4,5,6\}\\|A|=3$

$|\mathcal{P}(A)|=2^3=8$

Theusaf answered Jul 12, 2020

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