6.2 x 107.
You just treat scientific notation as a math problem. For example, 1.17*10^5 would be 1,17,000 (or in layman's terms, move the decimal point the number of spaces indicated by the exponent). If...
you take the number next to the 10 and move the decimal point back over that many places
1. ease in writing extreme numbers (very large or very small). 2. standard around the globe.
times by the little number like .420 is 80
Learn about Numbers in Scientific Notation
How to Compare Numbers in Scientific Notation
How to Write Numbers in Standard Form
How to Write Numbers in Scientific Notation