Datrys 729*10^-6*1000*100div1div1=

$$729 \times { 10 }^{ -6 } \times 1000 \times 100 \div 1 \div 1=$$

Enrhifo

$$\frac{729}{10}=72.9$$

Camau Ateb

Cyfrifo 10 i bŵer -6 a chael \frac{1}{1000000}.

$$\frac{\frac{729\times \frac{1}{1000000}\times 1000\times 100}{1}}{1}$$

Lluosi 729 a \frac{1}{1000000} i gael \frac{729}{1000000}.

$$\frac{\frac{\frac{729}{1000000}\times 1000\times 100}{1}}{1}$$

Lluosi \frac{729}{1000000} a 1000 i gael \frac{729}{1000}.

$$\frac{\frac{\frac{729}{1000}\times 100}{1}}{1}$$

Lluosi \frac{729}{1000} a 100 i gael \frac{729}{10}.

$$\frac{\frac{\frac{729}{10}}{1}}{1}$$

Mae rhannu unrhyw beth ag un yn rhoi'r rhif hwnnw.

$$\frac{\frac{729}{10}}{1}$$

Mae rhannu unrhyw beth ag un yn rhoi'r rhif hwnnw.

$$\frac{729}{10}$$

Ffactor

$$\frac{3 ^ {6}}{2 \cdot 5} = 72\frac{9}{10} = 72.9$$