Lutasin ang 7*10^-5+89*10^-9-3*10^-5=

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

I-evaluate

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

Mga Hakbang ng Solution

Kalkulahin ang 10 sa power ng -5 at kunin ang \frac{1}{100000}.

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

I-multiply ang 7 at \frac{1}{100000} para makuha ang \frac{7}{100000}.

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

Kalkulahin ang 10 sa power ng -9 at kunin ang \frac{1}{1000000000}.

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

I-multiply ang 89 at \frac{1}{1000000000} para makuha ang \frac{89}{1000000000}.

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

Idagdag ang \frac{7}{100000} at \frac{89}{1000000000} para makuha ang \frac{70089}{1000000000}.

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

Kalkulahin ang 10 sa power ng -5 at kunin ang \frac{1}{100000}.

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

I-multiply ang 3 at \frac{1}{100000} para makuha ang \frac{3}{100000}.

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

I-subtract ang \frac{3}{100000} mula sa \frac{70089}{1000000000} para makuha ang \frac{40089}{1000000000}.

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

I-factor

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