Datrys (8!div(2!6!))*0.4^2*left(1-0.4right)^6

$$(8 ! \div (2 ! 6 ! )) \times { 0.4 }^{ 2 } \times { \left(1-0.4 \right) }^{ 6 }$$

Enrhifo

$$0.20901888$$

Camau Ateb

Ffactorial 8 yw 40320.

$$\frac{40320}{2!\times 6!}\times 0.4^{2}\left(1-0.4\right)^{6}$$

Ffactorial 2 yw 2.

$$\frac{40320}{2\times 6!}\times 0.4^{2}\left(1-0.4\right)^{6}$$

Ffactorial 6 yw 720.

$$\frac{40320}{2\times 720}\times 0.4^{2}\left(1-0.4\right)^{6}$$

Lluosi 2 a 720 i gael 1440.

$$\frac{40320}{1440}\times 0.4^{2}\left(1-0.4\right)^{6}$$

Rhannu 40320 â 1440 i gael 28.

$$28\times 0.4^{2}\left(1-0.4\right)^{6}$$

Cyfrifo 0.4 i bŵer 2 a chael 0.16.

$$28\times 0.16\left(1-0.4\right)^{6}$$

Lluosi 28 a 0.16 i gael 4.48.

$$4.48\left(1-0.4\right)^{6}$$

Tynnu 0.4 o 1 i gael 0.6.

$$4.48\times 0.6^{6}$$

Cyfrifo 0.6 i bŵer 6 a chael 0.046656.

$$4.48\times 0.046656$$

Lluosi 4.48 a 0.046656 i gael 0.20901888.

$$0.20901888$$

Ffactor

$$\frac{7 \cdot 2 ^ {4} \cdot 3 ^ {6}}{5 ^ {8}} = 0.20901888$$