Question

The cardinality of the power set of $\{0,1,2\dots \dots 10\}$ is

• A. 2048

Answer 1

The correct option is A 2048
Let $X=\{0,1,2,\dots \dots 10\}$
$|X|=11$
$|P\left(X\right)|=2^{11}$
$=2048$