Datrys 8.85*10^-12*4.39*10^-5/314*831=

$$\frac { 8.85 \times 10 ^ { - 12 } \cdot 4.39 \times 10 ^ { - 5 } } { 314 \cdot 831 } =$$

Enrhifo

$$\frac{25901}{17395600000000000000000000}\approx 1.488939732 \cdot 10^{-21}$$

Camau Ateb

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

$$\frac{8.85\times 10^{-17}\times 4.39}{314\times 831}$$

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

$$\frac{8.85\times \frac{1}{100000000000000000}\times 4.39}{314\times 831}$$

Lluosi 8.85 a \frac{1}{100000000000000000} i gael \frac{177}{2000000000000000000}.

$$\frac{\frac{177}{2000000000000000000}\times 4.39}{314\times 831}$$

Lluosi \frac{177}{2000000000000000000} a 4.39 i gael \frac{77703}{200000000000000000000}.

$$\frac{\frac{77703}{200000000000000000000}}{314\times 831}$$

Lluosi 314 a 831 i gael 260934.

$$\frac{\frac{77703}{200000000000000000000}}{260934}$$

Mynegwch \frac{\frac{77703}{200000000000000000000}}{260934} fel ffracsiwn unigol.

$$\frac{77703}{200000000000000000000\times 260934}$$

Lluosi 200000000000000000000 a 260934 i gael 52186800000000000000000000.

$$\frac{77703}{52186800000000000000000000}$$

Lleihau'r ffracsiwn \frac{77703}{52186800000000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.

$$\frac{25901}{17395600000000000000000000}$$

Ffactor

$$\frac{59 \cdot 439}{157 \cdot 277 \cdot 2 ^ {22} \cdot 5 ^ {20}} = 1.4889397318862243 \times 10^{-21}$$