Datrys 4pi10^-70.1*1/0.005

$$\frac{ 4 \pi { 10 }^{ -7 } 0.1 \cdot 1 }{ 0.005 }$$

Enrhifo

$$\frac{\pi }{125000}\approx 0.000025133$$

Camau Ateb

Cyfrifo 10 i bŵer -7 a chael \frac{1}{10000000}.

$$\frac{4\pi \times \frac{1}{10000000}\times 0.1\times 1}{0.005}$$

Lluosi 4 a \frac{1}{10000000} i gael \frac{1}{2500000}.

$$\frac{\frac{1}{2500000}\pi \times 0.1\times 1}{0.005}$$

Lluosi \frac{1}{2500000} a 0.1 i gael \frac{1}{25000000}.

$$\frac{\frac{1}{25000000}\pi \times 1}{0.005}$$

Lluosi \frac{1}{25000000} a 1 i gael \frac{1}{25000000}.

$$\frac{\frac{1}{25000000}\pi }{0.005}$$

Rhannu \frac{1}{25000000}\pi â 0.005 i gael \frac{1}{125000}\pi .

$$\frac{1}{125000}\pi$$