Datrys 885*10^-12*439*10^-5/314*831=

$$\frac { 885 \times 10 ^ { - 12 } \cdot 439 \times 10 ^ { - 5 } } { 314 \cdot 831 } =$$

Enrhifo

$$\frac{25901}{1739560000000000000000}\approx 1.488939732 \cdot 10^{-17}$$

Camau Ateb

Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch -12 a -5 i gael -17.

$$\frac{885\times 10^{-17}\times 439}{314\times 831}$$

Canslo 3 yn y rhifiadur a'r enwadur.

$$\frac{295\times 439\times 10^{-17}}{277\times 314}$$

Lluosi 295 a 439 i gael 129505.

$$\frac{129505\times 10^{-17}}{277\times 314}$$

Cyfrifo 10 i bŵer -17 a chael \frac{1}{100000000000000000}.

$$\frac{129505\times \frac{1}{100000000000000000}}{277\times 314}$$

Lluosi 129505 a \frac{1}{100000000000000000} i gael \frac{25901}{20000000000000000}.

$$\frac{\frac{25901}{20000000000000000}}{277\times 314}$$

Lluosi 277 a 314 i gael 86978.

$$\frac{\frac{25901}{20000000000000000}}{86978}$$

Mynegwch \frac{\frac{25901}{20000000000000000}}{86978} fel ffracsiwn unigol.

$$\frac{25901}{20000000000000000\times 86978}$$

Lluosi 20000000000000000 a 86978 i gael 1739560000000000000000.

$$\frac{25901}{1739560000000000000000}$$

Ffactor

$$\frac{59 \cdot 439}{2 ^ {18} \cdot 5 ^ {16} \cdot 157 \cdot 277} = 1.4889397318862239 \times 10^{-17}$$