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mathforum.org/dr.math/faq/faq.sqrt.by.hand.html has a simple method. Try it.

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Q: How do you find square root of big numbers?
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Why cant you find a square number which is double another?

Because you are squaring numbers, the only way to get double is by using the square root of 2 which is 1.414. A good example of this is paper sizes. A4 is 210x297 A3 is double the size of A4 but to get that you need to multiply the sides by 1.414. That gives 297x420 But if you double each side of A4 you get 420x594 which is A2 and that is 4 times as big as A4 not 2 times as big.


Show you how to find root square root?

Basically you find the number of that multiple and times it by itself.For Example: What is the square root of 36?1.) 52.) 33.) 64.) 12The answers 6. (6x6=36) Multiply the number by itself to find the square root. it's easy :)That is the answer the last person left which is completely wrong. First of all the square root of something isn't the number you get when you multiply it by itself, the square root of something is the number that multiplys by itself to get that number so the square root of 36 is 6 but I don't know how to get the square root of a really big number. My answer isUSE A CALCULATOR!!!


How do you find the square root of 85?

On your calculator, press 85 and then the square root sign.Answer:That method is no fun at all. More satisfaction from doing it the long and manual way!The process described at the Link works no matter how big the number is or how many decimal places it has. Just keep bringing those pairs of numbers down.


How big is a square that is 17 square inches?

The length of each side is the square root of 17 square inches (about 4.123").


How can you tell big numbers are prime number?

There is no easy way. You will have to try dividing it by the smallest prime (2), then the next one (3) and continue until you have tried out the all the primes up to and including the square root of the number. You do not need to find the quotient, you only need check for divisibility.

Related questions

Why cant you find a square number which is double another?

Because you are squaring numbers, the only way to get double is by using the square root of 2 which is 1.414. A good example of this is paper sizes. A4 is 210x297 A3 is double the size of A4 but to get that you need to multiply the sides by 1.414. That gives 297x420 But if you double each side of A4 you get 420x594 which is A2 and that is 4 times as big as A4 not 2 times as big.


Show you how to find root square root?

Basically you find the number of that multiple and times it by itself.For Example: What is the square root of 36?1.) 52.) 33.) 64.) 12The answers 6. (6x6=36) Multiply the number by itself to find the square root. it's easy :)That is the answer the last person left which is completely wrong. First of all the square root of something isn't the number you get when you multiply it by itself, the square root of something is the number that multiplys by itself to get that number so the square root of 36 is 6 but I don't know how to get the square root of a really big number. My answer isUSE A CALCULATOR!!!


Can you give a sentence using square root?

That stump had a big fat square root and had to be dug out.


What is the square root of big red?

peachette


How do you find the square root of 85?

On your calculator, press 85 and then the square root sign.Answer:That method is no fun at all. More satisfaction from doing it the long and manual way!The process described at the Link works no matter how big the number is or how many decimal places it has. Just keep bringing those pairs of numbers down.


Which number is ten times as big as its square root?

100


How big is a square that is 17 square inches?

The length of each side is the square root of 17 square inches (about 4.123").


How big are pranhas?

they are about a square root of -1 smaller than piranhas.


How big is a square that is 100 square inches?

A square has 4 sides that are of equal length. The area of a square is the length of one side multiplied by itself, or squared. So, to find the length from the area you must take the square root of the area, or in other words find that number that when multiplied by itself gives the area.square root (100) = 10This is because 10 x 10 = 100So, each side of the square is 10 inches.


How can you tell big numbers are prime number?

There is no easy way. You will have to try dividing it by the smallest prime (2), then the next one (3) and continue until you have tried out the all the primes up to and including the square root of the number. You do not need to find the quotient, you only need check for divisibility.


What pair of square numbers give a difference of 32?

big cheese


What is the process of finding the factors of a big number?

For moderately large numbers, N, you can try dividing by prime numbers up to the square root of N. Each time you find a factor, f, you replace N by N/f, and continue with primes from f onwards. However, this method is impractical for really large numbers: ones that are the product of two primes, each a hundred digits long, for example. And that is why such numbers are used for encryption (codes).