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0.2\times \frac{1}{1000000000000}=2\times 10^{-13}
Cyfrifo 10 i bŵer -12 a chael \frac{1}{1000000000000}.
\frac{1}{5000000000000}=2\times 10^{-13}
Lluosi 0.2 a \frac{1}{1000000000000} i gael \frac{1}{5000000000000}.
\frac{1}{5000000000000}=2\times \frac{1}{10000000000000}
Cyfrifo 10 i bŵer -13 a chael \frac{1}{10000000000000}.
\frac{1}{5000000000000}=\frac{1}{5000000000000}
Lluosi 2 a \frac{1}{10000000000000} i gael \frac{1}{5000000000000}.
\text{true}
Cymharu \frac{1}{5000000000000} gyda \frac{1}{5000000000000}.
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