Definition:Scientific Notation

Definition
Scientific notation is a technique for representing approximations to (usually large) numbers by presenting them in the form:
 * $n \approx m \times 10^e$

where:
 * $m$ is a rational number such that $1 \le m < 10$, expressed in decimal notation
 * $e$ is an integer.

Also known as
Scientific notation can also be seen referred to as:
 * exponential notation
 * standard form
 * index notation