It is because some of the numbers that they deal with are very large or very small.
Mostly the sciences use scientific notation
psychologist do not usually use scientific notation
Yes, physicists use scientific notation
Scientific notation is often used to represent very large and very small numbers. Actually, you can also express a "normal-sized" number in scientific notation. So, whenever there is a number, you may use scientific notation.
Since the numbers astronomers use are often very large or very small, they frequently use scientific notation to describe sizes and sentences in the universe.
Judges usually don't use scientific notation.
People in the sciences are the main professions that use scientific notation
Professions that do not use scientific notation are most anything outside the sciences.
Anyone can use scientific notation - including women!
Physicist, chemist, biologists, and doctors all use scientific notation.
No. 35 is exponential notation, (3 is the base of the exponent 5), but in scientific notation the base must be 10 and the exponent must be an integer. 100.1 is exponential notation but not sci. notation.
Scientists use scientific notation to compute very large or very small numbers.