Datrys 4^2*4^9*4^-12=4^2+9-12={4}^-1

$${ 4 }^{ 2 } \times { 4 }^{ 9 } \times { 4 }^{ -12 } = { 4 }^{ 2+9-12 } = { 4 }^{ -1 }$$

Gwireddu

Camau Ateb

Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 2 a 9 i gael 11.

$$4^{11}\times 4^{-12}=4^{2+9-12}\text{ and }4^{2+9-12}=4^{-1}$$

Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 11 a -12 i gael -1.

$$4^{-1}=4^{2+9-12}\text{ and }4^{2+9-12}=4^{-1}$$

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

$$\frac{1}{4}=4^{2+9-12}\text{ and }4^{2+9-12}=4^{-1}$$

Adio 2 a 9 i gael 11.

$$\frac{1}{4}=4^{11-12}\text{ and }4^{2+9-12}=4^{-1}$$

Tynnu 12 o 11 i gael -1.

$$\frac{1}{4}=4^{-1}\text{ and }4^{2+9-12}=4^{-1}$$

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

$$\frac{1}{4}=\frac{1}{4}\text{ and }4^{2+9-12}=4^{-1}$$

Cymharu \frac{1}{4} gyda \frac{1}{4}.

$$\text{true}\text{ and }4^{2+9-12}=4^{-1}$$

Adio 2 a 9 i gael 11.

$$\text{true}\text{ and }4^{11-12}=4^{-1}$$

Tynnu 12 o 11 i gael -1.

$$\text{true}\text{ and }4^{-1}=4^{-1}$$

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

$$\text{true}\text{ and }\frac{1}{4}=4^{-1}$$

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

$$\text{true}\text{ and }\frac{1}{4}=\frac{1}{4}$$

Cymharu \frac{1}{4} gyda \frac{1}{4}.

$$\text{true}\text{ and }\text{true}$$

Cysylltydd \text{true} a \text{true} yw \text{true}.

$$\text{true}$$