Question

ALGUE, SABERIA RESOLVER?


LOG2    0,25

Answer 1

$log_{2} 0,25=log_{2} \frac{25}{100} =log_{2} \frac{1}{4} =log_{2} \frac{1}{ 2^{2} } =log_{2} 2^{-2} =-2.log_{2} 2$$=-2.1=-2$