19.2873015 (Done by a calculator) <---- could be wrong
Step-by-step explanation:
And fun fact:
Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not perfect square are members of irrational numbers. This means that they can't be written as the quotient of two integers.
you cannot take the square root of a negative number, because a negative times a negative is always a positive. (In later math, you will learn there are imaginary numbers which can be the square roots of negative numbers, but that's way in the future of math classes.)
