# Chapter 5 - Number Theory and the Real Number System - 5.6 Exponents and Scientific Notation - Exercise Set 5.6: 124

A number in the form $a \times 10^{n}$ is written in scientific notation if $1 \le a \lt 10$ and $n$ is an integer.

#### Work Step by Step

A number in the form $a \times 10^{n}$ is written in scientific notation if $1 \le a \lt 10$ and $n$ is an integer.

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