## Revision Notes for CBSE Class 8 Maths Chapter 12 - Exponents and Powers Free PDF Download

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## FAQs on Class 8 Revision Notes CBSE Maths Chapter 12 Exponents and Powers (Free PDF Download)

1. What are power and exponent in Mathematics?

The power of any number is defined as the number of times that number must be multiplied by itself to get a certain result. It is written in the form of an, where ‘a’ is the number to be multiplied and ‘n’ is the number of times it should be multiplied. Technically, here ‘a’ is called the base, and ‘n’ is called the exponent.

2. What is the standard form of a number?

A number is said to be in the standard form in Maths if it is raised to an integral power of 10 and expressed in the decimal form. For example, 1,546,000,000,000 = 1.546 × 1013