Question

Find the cardinal number of the set {2 power x/x∈n,x≤4}

Answer 1

Answer:

there are four cardinal number

Answer 2

$Let \: Set \: A = \{ 2^{x} : x \in N , x \leq 4 \}$

$A = \{ 2^{1} , 2^{2} , 2^{3} , 2^{4} \}$

$Cordinal \: number \: of \: A$

$= Number \: of \: elements \: in \: set \: A$

$n(A) = 4$

Therefore .,

$\red{ Cordinal \: number \: of\: given \: Set } \green { = 4 }$

•••♪