The number 2,750,389 can be written in scientific notation as follows:

2,750,389 = 2.750389 x 10

Justification: This is because decimal point is after 9 and in scientific notation decimal point comes after first digit therefore, 2.750389 x 10

2,750,389 = 2.750389 x 10

^{6}Justification: This is because decimal point is after 9 and in scientific notation decimal point comes after first digit therefore, 2.750389 x 10

^{6}gives 2,750,389.