Resolver -3^-2+(-7/8)^0+(-1)^2020

$$- 3 ^ { - 2 } + ( - \frac { 7 } { 8 } ) ^ { 0 } + ( - 1 ) ^ { 2020 }$$

Calcular

$$\frac{17}{9}\approx 1.888888889$$

Pasos da solución

Calcula 3 á potencia de -2 e obtén \frac{1}{9}.

$$-\frac{1}{9}+\left(-\frac{7}{8}\right)^{0}+\left(-1\right)^{2020}$$

Calcula -\frac{7}{8} á potencia de 0 e obtén 1.

$$-\frac{1}{9}+1+\left(-1\right)^{2020}$$

Suma -\frac{1}{9} e 1 para obter \frac{8}{9}.

$$\frac{8}{9}+\left(-1\right)^{2020}$$

Calcula -1 á potencia de 2020 e obtén 1.

$$\frac{8}{9}+1$$

Suma \frac{8}{9} e 1 para obter \frac{17}{9}.

$$\frac{17}{9}$$

Factorizar

$$\frac{17}{3 ^ {2}} = 1\frac{8}{9} = 1.8888888888888888$$