Whakaoti i te 2.05*10^-8/4*10^-2

$$\frac { 2.05 \times 10 ^ { - 8 } } { 4 \times 10 ^ { - 2 } }$$

Aromātai

$$0.0000005125$$

Ngā Upane Otinga

Hei whakawehe i ngā pū o te pūtake kotahi, tangohia te taupū o te taurunga i te taupū o te tauraro.

$$\frac{2.05}{4\times 10^{6}}$$

Tātaihia te 10 mā te pū o 6, kia riro ko 1000000.

$$\frac{2.05}{4\times 1000000}$$

Whakareatia te 4 ki te 1000000, ka 4000000.

$$\frac{2.05}{4000000}$$

Whakarohaina te \frac{2.05}{4000000} mā te whakarea i te taurunga me te tauraro ki te 100.

$$\frac{205}{400000000}$$

Whakahekea te hautanga \frac{205}{400000000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$\frac{41}{80000000}$$

Tauwehe

$$\frac{41}{2 ^ {10} \cdot 5 ^ {7}} = 5.125 \times 10^{-7}$$