Datrys 2^{-4}*3^4*4^-3*5^3*3^5=

$$2 ^ { - 4 } \cdot 3 ^ { 4 } \cdot 4 ^ { - 3 } \cdot 5 ^ { 3 } \cdot 3 ^ { 5 } =$$

Enrhifo

$$\frac{2460375}{1024}\approx 2402.709960938$$

Camau Ateb

Er mwyn lluosi pwerau sy’n rhannu’r un sail, adiwch eu esbonyddion. Adiwch 4 a 5 i gael 9.

$$2^{-4}\times 3^{9}\times 4^{-3}\times 5^{3}$$

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

$$\frac{1}{16}\times 3^{9}\times 4^{-3}\times 5^{3}$$

Cyfrifo 3 i bŵer 9 a chael 19683.

$$\frac{1}{16}\times 19683\times 4^{-3}\times 5^{3}$$

Lluosi \frac{1}{16} a 19683 i gael \frac{19683}{16}.

$$\frac{19683}{16}\times 4^{-3}\times 5^{3}$$

Cyfrifo 4 i bŵer -3 a chael \frac{1}{64}.

$$\frac{19683}{16}\times \frac{1}{64}\times 5^{3}$$

Lluosi \frac{19683}{16} a \frac{1}{64} i gael \frac{19683}{1024}.

$$\frac{19683}{1024}\times 5^{3}$$

Cyfrifo 5 i bŵer 3 a chael 125.

$$\frac{19683}{1024}\times 125$$

Lluosi \frac{19683}{1024} a 125 i gael \frac{2460375}{1024}.

$$\frac{2460375}{1024}$$

Ffactor

$$\frac{3 ^ {9} \cdot 5 ^ {3}}{2 ^ {10}} = 2402\frac{727}{1024} = 2402.7099609375$$