Question

Solve for x: log(x)=2 A=2 B=100 c=20

Answer 1

log(x) = 2 means that x= 10² =100

Answer 2

if no base is stated, assume base 10
also
$log_a(b)=c$ translates to $a^c=b$
so

$log(x)=2$
$_{10}log(x)=2$
translate
$10^2=x$
100=x

B is answer