Question

Choose all sets that contain the number -2,22

Answer 1

Answer.

1. Any number containing a minus sign is not a natural or whole number. Natural numbers are whole numbers not including zero (although zero is sometimes included).

2. Any number containing a decimal is not an integer or a natural number or a whole number. In integer can be negative and it can be zero.

3. Rational numbers can be fractions and negative numbers. -2.22 is rational

4. If a number is rational, it is not irrational. -2.22 is not irrational.

5. -2.22 is real. It does not involve the square root of - 1

Rational and Real <<<< Answer.