Скачать или смотреть DAV Class 7th Maths Chapter 4 Worksheet 2 || DAV Class 7 Maths Exponents and Powers Worksheet 2

DAV Class 7th Maths Chapter 4 Worksheet 2 || DAV Class 7 Maths Exponents and Powers Worksheet 2



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Descriptions for DAV Class 7th Maths Chapter 4:- Exponents and Powers:

1. Introduction to Exponents:

Exponents are a way to express repeated multiplication of a number by itself. For example:-

The number being multiplied is called the base, and the number of times it’s multiplied is the exponent or power.



2) Laws of Exponents:-

Multiplying Powers with the Same Base

Dividing Powers with the Same Base: , where

Power of a Power

Multiplying Powers with the Same Exponent

Power of a Product



3) Negative Exponents:-

A negative exponent represents the reciprocal of the base. For example, where .



4) Standard Form and Scientific Notation:-

Large numbers are often expressed in standard form or scientific notation for simplicity. For example, represents 4,500,000.

It’s a way to easily manage very large or small numbers using powers of 10.



5) Applications of Exponents:-

Exponents are widely used in scientific calculations, estimating large numbers, and in various fields like physics, engineering, and computer science.



6) Simplification Using Exponents:-

Simplifying expressions using exponents reduces the complexity of mathematical problems and makes calculations easier, especially in algebraic contexts.




This chapter builds a strong foundation in understanding powers and exponential relationships, which are essential in higher classes.




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