Exponents and Powers

Exponents and Powers

Exponentiation is a mathematical operation, which says how many times a number is to be multiplied with itself.

Algebraic Expressions

Algebraic Expressions

The Algebraic Expressions may be defined as the collection of Constants or Variables or both Constants and Variables in such a manner that they are separated by using addition and subtraction operators.

Variables and Constants

A variable is a quantity that has no fixed value. The value of a variable change and can take various values over time. A constant is a quantity that has a fixed value. Any number that can be represented in the number line a constant. The value of a constant never changes over time.