Express 2,750,389 in scientific notation

Answer 1

A number in scientific notation can only have 1 digit greater than the decimal.

2,750,389 has 7 digits greater than the decimal. If you divide by 10^6, you will have only 1 digit.

So your answer will be 2,750,389 / 10^6 x10^6

Answer 2

or...

2.750389 x 10⁶