# Exponents and Powers Class 7 Notes: Chapter 13

## Introduction

### Powers and Exponents

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## Laws of Exponents

### Powers with unlike bases and same exponent

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## Frequently asked Questions on CBSE Class 7 Maths Notes Chapter 13: Exponents and Powers

### What are ‘Exponents’?

An exponent is a number that is placed as a superscript over a number. In other words, it indicates that the base is raised to a certain power.

### What is an ‘Exponent zero’?

The zero exponent indicates that there are no factors of a number.

### What is a ‘Standard form’?

Standard form is a way of writing a number so it is easier to read. It is often used for very large or very small numbers.