Datrys left(100*10right)^-3sqrt{{left(2*2*10^340/36/15right)}^2+left(2*200*10^3right)^2}

$${ \left(100 \times 10 \right) }^{ -3 } \sqrt{ { \left( \frac{ 2 \cdot 2 \times 1 { 0 }^{ 3 } \frac{ 40 }{ 36 } }{ 15 } \right) }^{ 2 } + { \left(2 \cdot 200 \times { 10 }^{ 3 } \right) }^{ 2 } }$$

Enrhifo

$$\frac{1}{2500}=0.0004$$

Camau Ateb

Lluosi 100 a 10 i gael 1000.

$$1000^{-3}\sqrt{\left(\frac{2\times 2\times 1\times 0^{3}\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Cyfrifo 1000 i bŵer -3 a chael \frac{1}{1000000000}.

$$\frac{1}{1000000000}\sqrt{\left(\frac{2\times 2\times 1\times 0^{3}\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lluosi 2 a 2 i gael 4.

$$\frac{1}{1000000000}\sqrt{\left(\frac{4\times 1\times 0^{3}\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lluosi 4 a 1 i gael 4.

$$\frac{1}{1000000000}\sqrt{\left(\frac{4\times 0^{3}\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Cyfrifo 0 i bŵer 3 a chael 0.

$$\frac{1}{1000000000}\sqrt{\left(\frac{4\times 0\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lluosi 4 a 0 i gael 0.

$$\frac{1}{1000000000}\sqrt{\left(\frac{0\times \frac{40}{36}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lleihau'r ffracsiwn \frac{40}{36} i'r graddau lleiaf posib drwy dynnu a chanslo allan 4.

$$\frac{1}{1000000000}\sqrt{\left(\frac{0\times \frac{10}{9}}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lluosi 0 a \frac{10}{9} i gael 0.

$$\frac{1}{1000000000}\sqrt{\left(\frac{0}{15}\right)^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Mae rhannu sero â unrhyw rif nad yw'n yn sero yn rhoi sero.

$$\frac{1}{1000000000}\sqrt{0^{2}+\left(2\times 200\times 10^{3}\right)^{2}}$$

Cyfrifo 0 i bŵer 2 a chael 0.

$$\frac{1}{1000000000}\sqrt{0+\left(2\times 200\times 10^{3}\right)^{2}}$$

Lluosi 2 a 200 i gael 400.

$$\frac{1}{1000000000}\sqrt{0+\left(400\times 10^{3}\right)^{2}}$$

Cyfrifo 10 i bŵer 3 a chael 1000.

$$\frac{1}{1000000000}\sqrt{0+\left(400\times 1000\right)^{2}}$$

Lluosi 400 a 1000 i gael 400000.

$$\frac{1}{1000000000}\sqrt{0+400000^{2}}$$

Cyfrifo 400000 i bŵer 2 a chael 160000000000.

$$\frac{1}{1000000000}\sqrt{0+160000000000}$$

Adio 0 a 160000000000 i gael 160000000000.

$$\frac{1}{1000000000}\sqrt{160000000000}$$

Cyfrifo ail isradd 160000000000 a chael 400000.

$$\frac{1}{1000000000}\times 400000$$

Lluosi \frac{1}{1000000000} a 400000 i gael \frac{1}{2500}.

$$\frac{1}{2500}$$

Ffactor

$$\frac{1}{2 ^ {2} \cdot 5 ^ {4}} = 0.0004$$