Datrys 8^-1*5^-1/2^-4

$$\frac { 8 ^ { - 1 } \times 5 ^ { - 1 } } { 2 ^ { - 4 } }$$

Enrhifo

$$\frac{2}{5}=0.4$$

Camau Ateb

Cyfrifo 8 i bŵer -1 a chael \frac{1}{8}.

$$\frac{\frac{1}{8}\times 5^{-1}}{2^{-4}}$$

Cyfrifo 5 i bŵer -1 a chael \frac{1}{5}.

$$\frac{\frac{1}{8}\times \frac{1}{5}}{2^{-4}}$$

Lluosi \frac{1}{8} a \frac{1}{5} i gael \frac{1}{40}.

$$\frac{\frac{1}{40}}{2^{-4}}$$

Cyfrifo 2 i bŵer -4 a chael \frac{1}{16}.

$$\frac{\frac{1}{40}}{\frac{1}{16}}$$

Rhannwch \frac{1}{40} â \frac{1}{16} drwy luosi \frac{1}{40} â chilydd \frac{1}{16}.

$$\frac{1}{40}\times 16$$

Lluosi \frac{1}{40} a 16 i gael \frac{2}{5}.

$$\frac{2}{5}$$

Ffactor

$$\frac{2}{5} = 0.4$$