RADICALS AND EXPONENTS

Here we will learn about Radicals and Exponents.
Exponents
Writing 2 as a factor one million times would be a very time-consuming and tedious task. A better way to approach this is to use exponents. Exponential notation is an easier way to write a number as a product of many factors.
The exponent tells us how many times the base is used as a factor.

Example of Exponential Notation:

1) If we want to write 5*5*5*5*5*5*5 using exponents we can write it as 5⁷ which is pronounced as 5 raised to the power of 7 and the standard for of this will be 78125(which is obtained by multiplying 5*5 7 times)

Rule of Exponents:

Any number (except 0) raised to the power of zero is equal to 1.(11⁰ = 1)

Any number raised to the first power is always equal to it self. (136¹ = 136)

If a number is raised to the second power, we say it is squared. (2² is read as two squared)

If a number is raised to the third power, we say it is cubed. (3³ is read as three cubed)

Radicals

In mathematics, symbol placed over a number or expression, called the radicand, to indicate a root of the radicand. The term radical is sometimes used loosely to refer to the entire expression consisting of radical sign and radicand. Solving Radicals can be done in different ways like, Subtracting, Multiplying, Adding and dividing.
To know more on Adding and subtracting radicals problems click here.