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

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

Evalwa

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

Passi tas-Soluzzjonijiet

Ikkalkula 3 bil-power ta' -2 u tikseb \frac{1}{9}.

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

Ikkalkula -\frac{7}{8} bil-power ta' 0 u tikseb 1.

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

Żid -\frac{1}{9} u 1 biex tikseb \frac{8}{9}.

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

Ikkalkula -1 bil-power ta' 2020 u tikseb 1.

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

Żid \frac{8}{9} u 1 biex tikseb \frac{17}{9}.

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

Fattur

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