Datrys =596*10^2-1/108*10^21

$$= \frac { 596 \times 10 ^ { 2 - 1 } } { 108 \times 10 ^ { 21 } }$$

Enrhifo

$$\frac{149}{2700000000000000000000}\approx 5.518518519 \cdot 10^{-20}$$

Camau Ateb

Canslo 4 yn y rhifiadur a'r enwadur.

$$\frac{149\times 10^{2-1}}{27\times 10^{21}}$$

Tynnu 1 o 2 i gael 1.

$$\frac{149\times 10^{1}}{27\times 10^{21}}$$

Cyfrifo 10 i bŵer 1 a chael 10.

$$\frac{149\times 10}{27\times 10^{21}}$$

Lluosi 149 a 10 i gael 1490.

$$\frac{1490}{27\times 10^{21}}$$

Cyfrifo 10 i bŵer 21 a chael 1000000000000000000000.

$$\frac{1490}{27\times 1000000000000000000000}$$

Lluosi 27 a 1000000000000000000000 i gael 27000000000000000000000.

$$\frac{1490}{27000000000000000000000}$$

Lleihau'r ffracsiwn \frac{1490}{27000000000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 10.

$$\frac{149}{2700000000000000000000}$$

Ffactor

$$\frac{149}{2 ^ {20} \cdot 3 ^ {3} \cdot 5 ^ {20}} = 5.518518518518519 \times 10^{-20}$$