Issolvi 7*10^-5+89*10^-9-3*10^-5=

$$7 \times 10 ^ { - 5 } + 89 \times 10 ^ { - 9 } - 3 \times 10 ^ { - 5 } =$$

Evalwa

$$\frac{40089}{1000000000}=0.000040089$$

Passi tas-Soluzzjonijiet

Ikkalkula 10 bil-power ta' -5 u tikseb \frac{1}{100000}.

$$7\times \frac{1}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

Immultiplika 7 u \frac{1}{100000} biex tikseb \frac{7}{100000}.

$$\frac{7}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

Ikkalkula 10 bil-power ta' -9 u tikseb \frac{1}{1000000000}.

$$\frac{7}{100000}+89\times \frac{1}{1000000000}-3\times 10^{-5}$$

Immultiplika 89 u \frac{1}{1000000000} biex tikseb \frac{89}{1000000000}.

$$\frac{7}{100000}+\frac{89}{1000000000}-3\times 10^{-5}$$

Żid \frac{7}{100000} u \frac{89}{1000000000} biex tikseb \frac{70089}{1000000000}.

$$\frac{70089}{1000000000}-3\times 10^{-5}$$

Ikkalkula 10 bil-power ta' -5 u tikseb \frac{1}{100000}.

$$\frac{70089}{1000000000}-3\times \frac{1}{100000}$$

Immultiplika 3 u \frac{1}{100000} biex tikseb \frac{3}{100000}.

$$\frac{70089}{1000000000}-\frac{3}{100000}$$

Naqqas \frac{3}{100000} minn \frac{70089}{1000000000} biex tikseb \frac{40089}{1000000000}.

$$\frac{40089}{1000000000}$$

Fattur

$$\frac{3 \cdot 7 \cdot 23 \cdot 83}{2 ^ {9} \cdot 5 ^ {9}} = 4.0089 \times 10^{-5}$$