Datrys sqrt{20*10^-6*002*3+400*10^-12*10000}

$$\sqrt{ 20 \times { 10 }^{ -6 } \times 002 \times 3+400 \times { 10 }^{ -12 } \times 10000 }$$

Enrhifo

$$\frac{1}{500}=0.002$$

Camau Ateb

Cyfrifo 10 i bŵer -6 a chael \frac{1}{1000000}.

$$\sqrt{20\times \frac{1}{1000000}\times 0\times 0\times 2\times 3+400\times 10^{-12}\times 10000}$$

Lluosi 20 a \frac{1}{1000000} i gael \frac{1}{50000}.

$$\sqrt{\frac{1}{50000}\times 0\times 0\times 2\times 3+400\times 10^{-12}\times 10000}$$

Lluosi \frac{1}{50000} a 0 i gael 0.

$$\sqrt{0\times 0\times 2\times 3+400\times 10^{-12}\times 10000}$$

Lluosi 0 a 0 i gael 0.

$$\sqrt{0\times 2\times 3+400\times 10^{-12}\times 10000}$$

Lluosi 0 a 2 i gael 0.

$$\sqrt{0\times 3+400\times 10^{-12}\times 10000}$$

Lluosi 0 a 3 i gael 0.

$$\sqrt{0+400\times 10^{-12}\times 10000}$$

Cyfrifo 10 i bŵer -12 a chael \frac{1}{1000000000000}.

$$\sqrt{0+400\times \frac{1}{1000000000000}\times 10000}$$

Lluosi 400 a \frac{1}{1000000000000} i gael \frac{1}{2500000000}.

$$\sqrt{0+\frac{1}{2500000000}\times 10000}$$

Lluosi \frac{1}{2500000000} a 10000 i gael \frac{1}{250000}.

$$\sqrt{0+\frac{1}{250000}}$$

Adio 0 a \frac{1}{250000} i gael \frac{1}{250000}.

$$\sqrt{\frac{1}{250000}}$$

Ailysgrifennu ail isradd y rhaniad \frac{1}{250000} fel rhaniad ail israddau \frac{\sqrt{1}}{\sqrt{250000}}. Cymryd ail isradd y rhifiadur a'r enwadur.

$$\frac{1}{500}$$

Ffactor

$$\frac{1}{2 ^ {2} \cdot 5 ^ {3}} = 0.002$$