How do you write 4000000 in scientific notation?

Answer 1

To write 4000000 in scientific notation, you would move the decimal point to the left until there is only one non-zero digit to the left of the decimal point. In this case, you would move the decimal point 6 places to the left, resulting in 4.0 x 10^6.

Answer 2

It would be written as 4 x 106