Datrys 25*10^-6*(4/3*pi*6^3)*345

$$25 \times { 10 }^{ -6 } \times ( \frac{ 4 }{ 3 } \times \pi \times { 6 }^{ 3 } ) \times 345$$

Enrhifo

$$\frac{621\pi }{250}\approx 7.803716152$$

Camau Ateb

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

$$25\times \frac{1}{1000000}\times \frac{4}{3}\pi \times 6^{3}\times 345$$

Lluosi 25 a \frac{1}{1000000} i gael \frac{1}{40000}.

$$\frac{1}{40000}\times \frac{4}{3}\pi \times 6^{3}\times 345$$

Lluosi \frac{1}{40000} a \frac{4}{3} i gael \frac{1}{30000}.

$$\frac{1}{30000}\pi \times 6^{3}\times 345$$

Cyfrifo 6 i bŵer 3 a chael 216.

$$\frac{1}{30000}\pi \times 216\times 345$$

Lluosi \frac{1}{30000} a 216 i gael \frac{9}{1250}.

$$\frac{9}{1250}\pi \times 345$$

Lluosi \frac{9}{1250} a 345 i gael \frac{621}{250}.

$$\frac{621}{250}\pi$$