Question

(-1)6.(-1)5:(-1)8 me ajudem gente esse número aí tipo 6,5,8 e potencia

Answer 1

$\frac{(-1)^6\cdot(-1)^5}{(-1)^8}=\ \textgreater \ \frac{(-1)^{6+5}}{(-1)^8} \\\\ \frac{(-1)^{11}}{(-1)^8}=\ \textgreater \ (-1)^{11-8}=\ \textgreater \ (-1)^3=\ \textgreater \ \boxed{\boxed{-1}}$