Q:
# What is the square root of 51?

**The square root of 51 is approximately 7.1414284285.** There is no precise answer because the square root of 51 is an irrational number, meaning the sequence of numbers after the decimal point never ends and never falls into a repeating pattern.

The negative version of this number is also the square root of 51, since multiplying a negative number by itself produces a positive product. Like the positive answer, the negative root is also an irrational number. Irrational numbers, so called because they cannot be expressed as a ratio of two integers, may seem rare or exotic. In fact, all integers that are not perfect squares have irrational square roots.

Learn more about Exponents-
Q:
## What is the square root of 30?

A: The square root of 30 is 5.47. To determine the square root, plug the numbers into the formula x times x equals y, where x is the square root of y. Pluggin... Full Answer >Filed Under: -
Q:
## What is the square root of 189?

A: The square root of 189 is equal to 3 times the square root of 21, or approximately 13.75. To simplify the square root of a number, the number must first be... Full Answer >Filed Under: -
Q:
## What is a rational exponent notation?

A: Rational or fractional exponents are another way of notating that some root of a base number should be taken, without using a radical sign. For instance, 1... Full Answer >Filed Under: -
Q:
## How do you calculate a square root?

A: In order to calculate the square root of a non-perfect square number, first find two perfect squares between which the number lies. Second, divide the numb... Full Answer >Filed Under: