ln(ln x) =2?

Answer 1

take exponential function:
e^ln(ln x) =e^2
so
ln x =e^2
then
x= e^{e^2}

Answer 2

ln (ln x) = 2

=> ln x = e^2 , by taking the exponent on both sides.
then by taking it again,
x = e^(e^2)