## Revision Notes for ICSE Class 9 Mathematics Chapter 7 - Free PDF Download

## FAQs on ICSE Class 9 Mathematics Revision Notes Chapter 7 - Indices (Exponents)

**1. Is the content from Vedantu the same as that of our textbook?**

Yes. The content you find in the notes is the same as the ICSE class 9 Mathematics textbook. In fact, the notes prepared are designed in the simplest way where students won’t have any difficulties in understanding. Vedantu notes are prepared by the experts after thorough research. These prepared notes will guide the students to understand all the hard portions from the chapters easily. When students don’t find time to read the textbook thoroughly they can go through these notes to make themselves clear. It can save them time.

**2. What are Indices?**

A variable or a number may or may not have an index (indices). Indices of a variable is a value that is raised to the power of the variable. The indices in other terms are also known as powers or exponents. It shows how many times a number has to be multiplied.

**3. What is the difference between power and exponent?**

In mathematical terms, power refers to the number of times a number is being multiplied by itself meaning the number of times you get raising a number to an exponent whereas if we talk about an exponent, it is the total number of times the number is used in a multiplication. Exponents are mostly known as powers or indices. In basic terms, power is an expression that represents repeated multiplication of the same number whereas exponent refers to a quantity that represents the power to which the number is raised. Both terms are often used with not much difference or change in mathematical operations.

**4. How much can we rely on the Vedantu website’s notes?**

Compared to YouTube videos, online sites can give much more information. You can search for what queries you have and you’ll get an answer. Choosing a reliable site is very important when making notes. Some websites give notes without research. You should know which site to visit and which site not to. Vedantu provides detailed notes which can actually provide answers to your queries where some sites might not. Always prefer a verified site like Vedantu.