Q:
# What is the square root of 324?

**The square root of 324 is 18.** The square root of a number can also be a negative number because the square of a negative number is always a positive number. The equation (-18) x (-18) = 324, therefore, the square root of 324 can also be (-18).

The square root of a number is determined by obtaining the factors of the number. The factors of 324 are 2 x 2 x 3 x 3 x 3 x 3; these factors can be simplified to show 2 x 3 x 3 squared, which is 18 x 18 = 324.

Similarly, the square root of 400 is either 20 or (-20). Numbers that are perfect squares have exact square roots. If a number is not a perfect square, its square root is a decimal fraction.

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Q:
## What are some tricks for calculating square roots?

A: To estimate a square root without a calculator, determine the two perfect squares that come before and after the given number. Then using the square roots ... Full Answer >Filed Under: -
Q:
## What is the square root of 325?

A: The square root of 325 is 18.0277563773. This answer is derived by multiplying 18.0277563773 by 18.0277563773 which is equal to 325. Full Answer >Filed Under: -
Q:
## What is the square root of 800?

A: The square root of 800 is 28.2842712475, which, when rounded off to four significant figures, equals 28.28. It is a decimal number, which shows that 800 is... Full Answer >Filed Under: -
Q:
## What is the square root of zero?

A: The square root of 0 is also 0. This is because 0 multiplied or divided by any number is 0.Â There is only one other number where the square root is equal ... Full Answer >Filed Under: