Datrys sqrt{2*16*10^-19*500/91*10^31}

$$\sqrt{ \frac{ 2 \times 16 \times { 10 }^{ -19 } \times 500 }{ 91 \times { 10 }^{ 31 } } }$$

Enrhifo

$$\frac{\sqrt{910}}{22750000000000000000000000}\approx 1.325987088 \cdot 10^{-24}$$

Camau Ateb

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

$$\sqrt{\frac{2\times 16\times 500}{91\times 10^{50}}}$$

Lluosi 2 a 16 i gael 32.

$$\sqrt{\frac{32\times 500}{91\times 10^{50}}}$$

Lluosi 32 a 500 i gael 16000.

$$\sqrt{\frac{16000}{91\times 10^{50}}}$$

Cyfrifo 10 i bŵer 50 a chael 100000000000000000000000000000000000000000000000000.

$$\sqrt{\frac{16000}{91\times 100000000000000000000000000000000000000000000000000}}$$

Lluosi 91 a 100000000000000000000000000000000000000000000000000 i gael 9100000000000000000000000000000000000000000000000000.

$$\sqrt{\frac{16000}{9100000000000000000000000000000000000000000000000000}}$$

Lleihau'r ffracsiwn \frac{16000}{9100000000000000000000000000000000000000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 16000.

$$\sqrt{\frac{1}{568750000000000000000000000000000000000000000000}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{1}{568750000000000000000000000000000000000000000000}} fel rhaniad ail israddau \frac{\sqrt{1}}{\sqrt{568750000000000000000000000000000000000000000000}}.

$$\frac{\sqrt{1}}{\sqrt{568750000000000000000000000000000000000000000000}}$$

Cyfrifo ail isradd 1 a chael 1.

$$\frac{1}{\sqrt{568750000000000000000000000000000000000000000000}}$$

Ffactora 568750000000000000000000000000000000000000000000=25000000000000000000000^{2}\times 910. Ailysgrifennu ail isradd y lluoswm \sqrt{25000000000000000000000^{2}\times 910} fel lluoswm ail israddau \sqrt{25000000000000000000000^{2}}\sqrt{910}. Cymryd isradd 25000000000000000000000^{2}.

$$\frac{1}{25000000000000000000000\sqrt{910}}$$

Mae'n rhesymoli enwadur \frac{1}{25000000000000000000000\sqrt{910}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{910}.

$$\frac{\sqrt{910}}{25000000000000000000000\left(\sqrt{910}\right)^{2}}$$

Sgwâr \sqrt{910} yw 910.

$$\frac{\sqrt{910}}{25000000000000000000000\times 910}$$

Lluosi 25000000000000000000000 a 910 i gael 22750000000000000000000000.

$$\frac{\sqrt{910}}{22750000000000000000000000}$$