Datrys 15^10/3^8*2^7=

$$\frac { 15 ^ { 10 } } { 3 ^ { 8 } * 2 ^ { 7 } } =$$

Enrhifo

$$\frac{87890625}{128}=686645.5078125$$

Camau Ateb

Cyfrifo 15 i bŵer 10 a chael 576650390625.

$$\frac{576650390625}{3^{8}\times 2^{7}}$$

Cyfrifo 3 i bŵer 8 a chael 6561.

$$\frac{576650390625}{6561\times 2^{7}}$$

Cyfrifo 2 i bŵer 7 a chael 128.

$$\frac{576650390625}{6561\times 128}$$

Lluosi 6561 a 128 i gael 839808.

$$\frac{576650390625}{839808}$$

Lleihau'r ffracsiwn \frac{576650390625}{839808} i'r graddau lleiaf posib drwy dynnu a chanslo allan 6561.

$$\frac{87890625}{128}$$

Ffactor

$$\frac{3 ^ {2} \cdot 5 ^ {10}}{2 ^ {7}} = 686645\frac{65}{128} = 686645.5078125$$