Question

ПОМОГИТЕ !!!!!!!!!!!!!!!!​

Answer 1

$-5^{-2}=-(5^{-2})=-\dfrac{1}{5^2}=-\dfrac{1}{25}\\\\\\-0,1^{-1}=-(0,1^{-1})=-\dfrac{1}{0,1}=-10\\\\\\(-0,2)^{-3}=\dfrac{1}{(-0,2)^3}=\dfrac{1}{-0,008}=-\dfrac{1000}{8}=-125\\\\\\-\Big(-\dfrac{1}{2}\Big)^{-4}=-\dfrac{1}{(-\frac{1}{2})^4}=-\dfrac{1}{\frac{1}{16}}=-16$