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

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

Arvuta

$$\frac{40089}{1000000000}=0,000040089$$

Lahenduse etapid

Arvutage -5 aste 10 ja leidke \frac{1}{100000}.

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

Korrutage 7 ja \frac{1}{100000}, et leida \frac{7}{100000}.

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

Arvutage -9 aste 10 ja leidke \frac{1}{1000000000}.

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

Korrutage 89 ja \frac{1}{1000000000}, et leida \frac{89}{1000000000}.

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

Liitke \frac{7}{100000} ja \frac{89}{1000000000}, et leida \frac{70089}{1000000000}.

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

Arvutage -5 aste 10 ja leidke \frac{1}{100000}.

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

Korrutage 3 ja \frac{1}{100000}, et leida \frac{3}{100000}.

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

Lahutage \frac{3}{100000} väärtusest \frac{70089}{1000000000}, et leida \frac{40089}{1000000000}.

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

Lahuta teguriteks

$$\frac{3 \cdot 7 \cdot 23 \cdot 83}{2 ^ {9} \cdot 5 ^ {9}} = 4,0089 \times 10^{-5}$$