Datrys 7!/0!(7-0)!*0.6^0*0.4^7

$$\frac{ 7 ! }{ 0 ! (7-0) ! } \times { 0.6 }^{ 0 } \times { 0.4 }^{ 7 }$$

Enrhifo

$$0.0016384$$

Camau Ateb

Ffactorial 7 yw 5040.

$$\frac{5040}{0!\left(7-0\right)!}\times 0.6^{0}\times 0.4^{7}$$

Ffactorial 0 yw 1.

$$\frac{5040}{1\left(7-0\right)!}\times 0.6^{0}\times 0.4^{7}$$

Tynnu 0 o 7 i gael 7.

$$\frac{5040}{1\times 7!}\times 0.6^{0}\times 0.4^{7}$$

Ffactorial 7 yw 5040.

$$\frac{5040}{1\times 5040}\times 0.6^{0}\times 0.4^{7}$$

Lluosi 1 a 5040 i gael 5040.

$$\frac{5040}{5040}\times 0.6^{0}\times 0.4^{7}$$

Rhannu 5040 â 5040 i gael 1.

$$1\times 0.6^{0}\times 0.4^{7}$$

Cyfrifo 0.6 i bŵer 0 a chael 1.

$$1\times 1\times 0.4^{7}$$

Lluosi 1 a 1 i gael 1.

$$0.4^{7}$$

Cyfrifo 0.4 i bŵer 7 a chael 0.0016384.

$$0.0016384$$

Ffactor

$$\frac{2 ^ {7}}{5 ^ {7}} = 0.0016384$$