Q:
# What is the square root of 800?

**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 not a perfect square.

If a and b are two numbers such that a^2 = b, then a is known as the square root of b. If b is a positive real number, then it has two square roots, out of which one is positive and the other is negative. In order to find the square root of a negative number, one should know about complex numbers. Square roots of positive whole numbers that are not perfect squares are irrational or fractional numbers.

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Q:
## What is the square root of 81?

A: The square root of 81 is 9. However, if a student needs to solve the equation Â x2 = 81, then possible solutions can be either +9 or -9. Â Full Answer >Filed Under: -
Q:
## What is a rational exponent?

A: A rational exponent is an exponent written as a fraction, such as 31/2, which is also equal to the square root of three. With a rational exponent, the nume... Full Answer >Filed Under: -
Q:
## What is the square root of 11?

A: The numerical value of the square root of 11 is approximately 3.317, although the exact number has many more decimal places. Because 11 is a prime number, ... Full Answer >Filed Under: -
Q:
## What is the square root of 125?

A: The square root of 125 is approximately 11.18. The decimals of the exact answer go on infinitely because the square root of 125 is an irrational number. Full Answer >Filed Under: