Datrys (-7)^5*49^2/7^0*7*(-49)^3

$$\frac { ( - 7 ) ^ { 5 } \cdot 49 ^ { 2 } } { 7 ^ { 0 } \cdot 7 \cdot ( - 49 ) ^ { 3 } }$$

Enrhifo

$$49$$

Camau Ateb

Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 0 a 1 i gael 1.

$$\frac{\left(-7\right)^{5}\times 49^{2}}{7^{1}\left(-49\right)^{3}}$$

Cyfrifo -7 i bŵer 5 a chael -16807.

$$\frac{-16807\times 49^{2}}{7^{1}\left(-49\right)^{3}}$$

Cyfrifo 49 i bŵer 2 a chael 2401.

$$\frac{-16807\times 2401}{7^{1}\left(-49\right)^{3}}$$

Lluosi -16807 a 2401 i gael -40353607.

$$\frac{-40353607}{7^{1}\left(-49\right)^{3}}$$

Cyfrifo 7 i bŵer 1 a chael 7.

$$\frac{-40353607}{7\left(-49\right)^{3}}$$

Cyfrifo -49 i bŵer 3 a chael -117649.

$$\frac{-40353607}{7\left(-117649\right)}$$

Lluosi 7 a -117649 i gael -823543.

$$\frac{-40353607}{-823543}$$

Rhannu -40353607 â -823543 i gael 49.

$$49$$

Ffactor

$$7^{2}$$