Datrys sqrt{0.0000509/5}

$$\sqrt { \frac { 0.0000509 } { 5 } }$$

Enrhifo

$$\frac{\sqrt{1018}}{10000}\approx 0.003190611$$

Camau Ateb

Ehangu \frac{0.0000509}{5} drwy luosi'r rhifiadur a'r enwadur gyda 10000000.

$$\sqrt{\frac{509}{50000000}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{509}{50000000}} fel rhaniad ail israddau \frac{\sqrt{509}}{\sqrt{50000000}}.

$$\frac{\sqrt{509}}{\sqrt{50000000}}$$

Ffactora 50000000=5000^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{5000^{2}\times 2} fel lluoswm ail israddau \sqrt{5000^{2}}\sqrt{2}. Cymryd isradd 5000^{2}.

$$\frac{\sqrt{509}}{5000\sqrt{2}}$$

Mae'n rhesymoli enwadur \frac{\sqrt{509}}{5000\sqrt{2}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{2}.

$$\frac{\sqrt{509}\sqrt{2}}{5000\left(\sqrt{2}\right)^{2}}$$

Sgwâr \sqrt{2} yw 2.

$$\frac{\sqrt{509}\sqrt{2}}{5000\times 2}$$

I luosi \sqrt{509} a \sqrt{2}, dylid lluosi'r rhifau dan yr ail isradd.

$$\frac{\sqrt{1018}}{5000\times 2}$$

Lluosi 5000 a 2 i gael 10000.

$$\frac{\sqrt{1018}}{10000}$$