Datrys 3.78*10^6*4-3.78*10^6*0.9

$$3.78 \times 10 ^ { 6 } \times 4 - 3.78 \times 10 ^ { 6 } \times 0.9$$

Enrhifo

$$11718000$$

Camau Ateb

Cyfrifo 10 i bŵer 6 a chael 1000000.

$$3.78\times 1000000\times 4-3.78\times 10^{6}\times 0.9$$

Lluosi 3.78 a 1000000 i gael 3780000.

$$3780000\times 4-3.78\times 10^{6}\times 0.9$$

Lluosi 3780000 a 4 i gael 15120000.

$$15120000-3.78\times 10^{6}\times 0.9$$

Cyfrifo 10 i bŵer 6 a chael 1000000.

$$15120000-3.78\times 1000000\times 0.9$$

Lluosi 3.78 a 1000000 i gael 3780000.

$$15120000-3780000\times 0.9$$

Lluosi 3780000 a 0.9 i gael 3402000.

$$15120000-3402000$$

Tynnu 3402000 o 15120000 i gael 11718000.

$$11718000$$

Ffactor

$$7\times 31\times 2^{4}\times 3^{3}\times 5^{3}$$