standard form or scientific notation

Standard form or scientific notation is a way to write numbers in a compact (smaller) way.

It is most often used when the numbers are very large or very small eg 1,200,000,000,000,000,000 or 0.000000000000567

Example 1

Note: This can also be written as 2.395E9

Example 2

Note: This can also be written as 4.52E-6