Question

Qual o valor de log2 2-³. Preciso urgente

Answer 1

Logarítmo da potência

$\huge\boxed{\boxed{\boxed{\boxed{\mathsf{\ell og_{b}a^n=n\cdot\ell og_{b}a}}}}}$

$\dotfill$

$\mathsf{\ell og_{2}2^{-3}=-3\cdot\ell og_{2}2=}\\\huge\boxed{\boxed{\boxed{\boxed{\mathsf{-3\cdot1=-3}}}}}$