Datrys 1=667*10^-11*2*2

$$1 = 667 \times 10 ^ { - 11 } \times 2 \times 2$$

Gwireddu

Camau Ateb

Cyfrifo 10 i bŵer -11 a chael \frac{1}{100000000000}.

$$1=667\times \frac{1}{100000000000}\times 2\times 2$$

Lluosi 667 a \frac{1}{100000000000} i gael \frac{667}{100000000000}.

$$1=\frac{667}{100000000000}\times 2\times 2$$

Lluosi \frac{667}{100000000000} a 2 i gael \frac{667}{50000000000}.

$$1=\frac{667}{50000000000}\times 2$$

Lluosi \frac{667}{50000000000} a 2 i gael \frac{667}{25000000000}.

$$1=\frac{667}{25000000000}$$

Troswch y rhif degol 1 i’r ffracsiwn \frac{25000000000}{25000000000}.

$$\frac{25000000000}{25000000000}=\frac{667}{25000000000}$$

Cymharu \frac{25000000000}{25000000000} gyda \frac{667}{25000000000}.

$$\text{false}$$