Question

Calcule os logaritmos indicados a seguir:

A) Log2 (1/256)

B) Log3 (1/243)

Answer 1

$\log_2\left(\dfrac{1}{256}\right)=x\\\\\\2^x=\dfrac{1}{256}\\\\\\2^x=\dfrac{1}{2^8}\\\\\\2^x=2^{-8}\\\\x=-8$

O outro eu vou deixar pra vc fazer