Question

Log x na base 2 igual a 8

Answer 1

$\large\fbox{ \mathsf{\ell og_a~B=y~~\rightarrow~~a^y=B} }\\\\\\\mathsf{~\ell og_2~x=8}\\\\\\\mathsf{~2^8=x}\\\\\\\mathsf{~x=256}$