4\sqrt{-4} is a real number

asked by guest
on Jan 31, 2025 at 6:23 pm



You asked:

Is 4\sqrt{-4} a real number?

MathBot Answer:

4\sqrt{-4} is not a real number.


A real number is any number that can be represented on a number line or by an infinite decimal expansion.

4\sqrt{-4} cannot be represented on a number line, so 4\sqrt{-4} is not real.