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.
an = a x a x a x a……… x a (n times) - A negative rational number raised to an even power is always positive,
- A negative rational number raised to an odd power is always negative, i.e.,
Laws of exponents: