Datrys sqrt{2*885*10^-1407*119/1610^-19}sqrt{1/10^17}

$$\sqrt{ \frac{ 2 \cdot 885 \times { 10 }^{ -14 } 07 \cdot 119 }{ 16 { 10 }^{ -19 } } } \sqrt{ \frac{ 1 }{ { 10 }^{ 17 } } }$$

Enrhifo

$$0$$

Camau Ateb

Canslo 2\times 8 yn y rhifiadur a'r enwadur.

$$\sqrt{\frac{0}{10^{-19}}}\sqrt{\frac{1}{10^{17}}}$$

Er mwyn rhannu pwerau sy’n rhannu’r un sail, tynnwch esbonydd yr enwadur o esbonydd y rhifiadur.

$$\sqrt{0}\sqrt{\frac{1}{10^{17}}}$$

Cyfrifo ail isradd 0 a chael 0.

$$0\sqrt{\frac{1}{10^{17}}}$$

Cyfrifo 10 i bŵer 17 a chael 100000000000000000.

$$0\sqrt{\frac{1}{100000000000000000}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{1}{100000000000000000}} fel rhaniad ail israddau \frac{\sqrt{1}}{\sqrt{100000000000000000}}.

$$0\times \frac{\sqrt{1}}{\sqrt{100000000000000000}}$$

Cyfrifo ail isradd 1 a chael 1.

$$0\times \frac{1}{\sqrt{100000000000000000}}$$

Ffactora 100000000000000000=100000000^{2}\times 10. Ailysgrifennu ail isradd y lluoswm \sqrt{100000000^{2}\times 10} fel lluoswm ail israddau \sqrt{100000000^{2}}\sqrt{10}. Cymryd isradd 100000000^{2}.

$$0\times \frac{1}{100000000\sqrt{10}}$$

Mae'n rhesymoli enwadur \frac{1}{100000000\sqrt{10}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{10}.

$$0\times \frac{\sqrt{10}}{100000000\left(\sqrt{10}\right)^{2}}$$

Sgwâr \sqrt{10} yw 10.

$$0\times \frac{\sqrt{10}}{100000000\times 10}$$

Lluosi 100000000 a 10 i gael 1000000000.

$$0\times \frac{\sqrt{10}}{1000000000}$$

Mae lluosi unrhyw beth â sero yn rhoi sero.

$$0$$

Ffactor

$$0$$