Datrys 52*10^-2+42*10^-3

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

Enrhifo

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

Camau Ateb

Cyfrifo 10 i bŵer -2 a chael \frac{1}{100}.

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

Lluosi 52 a \frac{1}{100} i gael \frac{13}{25}.

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

Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.

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

Lluosi 42 a \frac{1}{1000} i gael \frac{21}{500}.

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

Adio \frac{13}{25} a \frac{21}{500} i gael \frac{281}{500}.

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

Ffactor

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