Whakaoti i te 52*10^-2+42*10^-3

$$52 \times 10 ^ { - 2 } + 42 \times 10 ^ { - 3 }$$

Aromātai

$$\frac{281}{500}=0.562$$

Ngā Upane Otinga

Tātaihia te 10 mā te pū o -2, kia riro ko \frac{1}{100}.

$$52\times \frac{1}{100}+42\times 10^{-3}$$

Whakareatia te 52 ki te \frac{1}{100}, ka \frac{13}{25}.

$$\frac{13}{25}+42\times 10^{-3}$$

Tātaihia te 10 mā te pū o -3, kia riro ko \frac{1}{1000}.

$$\frac{13}{25}+42\times \frac{1}{1000}$$

Whakareatia te 42 ki te \frac{1}{1000}, ka \frac{21}{500}.

$$\frac{13}{25}+\frac{21}{500}$$

Tāpirihia te \frac{13}{25} ki te \frac{21}{500}, ka \frac{281}{500}.

$$\frac{281}{500}$$

Tauwehe

$$\frac{281}{2 ^ {2} \cdot 5 ^ {3}} = 0.562$$