Q:
# What is the square root of 27?

**The square root of 27 is 5.19615242271.** The number 27 is not a perfect square, so it does not have an exact square root. Numbers such as 36, 49 and 121 are perfect squares and have exact square roots.

The square root of a number can be a positive number or a negative number. For instance, the square root of 25 is 5 or -5; this is because the square of a negative number is a positive number. The square of -5 is written as (-5) x (-5), and this gives 25. Similarly, the square of 5 is written as 5 x 5 and this also gives 25. Numbers that are not perfect squares such as 22, 30, 45 and 50 have their square roots as a decimal fraction.

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Q:
## What is the square root of 48?

A: The square root of 48 is 6.93. The square root can be expressed by the formula x times x equals y, where x is the square root of y. Plugging in 48, the for... Full Answer >Filed Under: -
Q:
## How do you find square roots?

A: To calculate the square root of any number, estimate by using the closest perfect square, and divide the number for which you want the square root by the r... Full Answer >Filed Under: -
Q:
## What is the square root of 46?

A: The square root of 46 is 6.78. The square root of a number can be expressed by the formula x times x equals y, where y is the square of x. Plugging in 46 t... Full Answer >Filed Under: -
Q:
## What is the cube root of 81?

A: The cube root of 81 is 2.51. The cube root of the variable y is equal to the variable x such that when x is twice multiplied by itself the product is y, as... Full Answer >Filed Under: