Question

Resolva o logaritmo
Log2 1/128

Answer 1

Resolução da questão, veja:

$\mathsf{log_{2}^~{\frac{1}{128}}}}}\\\\\\\\\ \mathsf{2^{x}} =\mathsf{\dfrac{1}{128}}}}}}}\\\\\\\\ \mathsf{2^{x}} = \mathsf{\dfrac{1}{2^{7}}}}}\\\\\\\\ \mathsf{\diagup\!\!\!\!2^{x}} = \mathsf{\diagup\!\!\!\!\!2^{-7}}}\\\\\\\\\ \large\boxed{\boxed{\boxed{\boxed{\boxed{\boxed{\mathsf{x = -7.}}}}}}}}}}}}}}}}}}}}}}}$

Espero que te ajude '-'