Question

Which numbers are real numbers?

There is more than one correct answer. Select all correct answers.

Answer 1

Explanation:

1. -0.866= decimal

2. -2

3. -1.732 = decimal

4. not a number my calculator says math error

5. Math error

6. MATH ERROR

Answer 2

The first 3 numbers are real numbers. The last 3 are imaginary numbers.

Explanation:

An imaginary number has a real part and an imaginary part i which is the square root of -1