Question

qual a resposta do valor de log​

Answer 1

$\large\boxed{\begin{array}{l}\sf A=\ell og_77=1\\\sf B=\ell og_{76}1=0\\\sf C= \ell og_{0,5}8=\ell og_{2^{-1}}2^3=\dfrac{3}{-1}=-3\\\sf D=\ell og_88^{-2}=-2\ell og_88=-2\\\sf B^A+C\cdot D\\\sf 0^1+(-3)\cdot(-2)\\\sf 0+6=6\end{array}}$