# How to Find the Square Root of a Number That Doesn't Have a Perfect Square?

The square root of a number multiplied by itself yields that number. Some numbers are perfect squares such as 25 (five times five) and 100 (10 times 10). Other numbers are not perfect squares. Alth...
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## How to Find the Square Root of a Number That Is Rounded to the Nearest Number?

The square root is based on the idea of a number divided by a number that will equal itself. A number times itself is also called the the square. The square root is an important math concept that h...
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## How to Do Square Root Times a Number?

You can use the order of operations, which determines the order in which to solve an expression or equation, to guide you through the process of solving an expression with multiple signs and number...
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## How to Find the Square Root of an Irrational Number?

Irrational numbers are numbers that cannot be expressed as a simple fraction. For example, pi, which has an approximate value of 3.14159, is an irrational number because although pi is often expres...
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## How to Mentally Get the Square Root of Any Number Quickly?

Taking the square root of 108 by simplifying the radicalWhether estimating perimeters of a right triangle, finding the roots of a quadratic equation, or taking square roots of big numbers just for ...
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http://www.wikihow.com/Mentally-Get-the-Square-Root-of-Any-Number-Quickly