Come risolvi $2 ^ x = 5$ ?

$x=log5/log2~~2.32$

Dato'
$2^x=5$
Registro di entrambi i lati
$=>log2^x=log5$
$=>xlog2=log5$
$=>x=log5/log2=0.6989/0.3010~~2.32$

Come risolvi 2 ^ x = 5 2 ^ x = 5 ?