On this page, you will find Exponents and Powers Class 8 Notes Maths Chapter 12 Pdf free download. CBSE NCERT Class 8 Maths Notes Chapter 12 Exponents and Powers will seemingly help them to revise the important concepts in less time.

## CBSE Class 8 Maths Chapter 12 Notes Exponents and Powers

### Exponents and Powers Class 8 Notes Conceptual Facts

- A numeral (a)
^{n}is called an exponential expression where a is called base and n the exponent or power.

a^{n}= a x a x a x a……… x a (n times) - A negative rational number raised to an even power is always positive, \(\text { e.g. },\left(-\frac{1}{2}\right)^{4}=\frac{1}{16}\)
- A negative rational number raised to an odd power is always negative, i.e., \(=\left(-\frac{1}{2}\right)^{3}=-\frac{1}{8}\)

Laws of exponents: