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Which of the following are real numbers?Multi-select Choices:(A) (B) (C) (D)
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Q. Which of the following are real numbers?Multi-select Choices:(A) (B) (C) (D)
- Real Numbers Definition: Real numbers include all the numbers on the number line, including all rational and irrational numbers. Rational numbers are those that can be expressed as a fraction of two integers, , where and are integers and , and irrational numbers cannot be expressed as a simple fraction.
- as a Real Number: (A) is a whole number, which is also a rational number because it can be expressed as a fraction (). Therefore, it is a real number.
- ext{/ as a Real Number:} (B) is a fraction, which is a rational number. All rational numbers are real numbers.
- .... as a Real Number: (C) (where the dots indicate that the number is repeating) is a repeating decimal, which is also a rational number. Therefore, it is a real number.
- as an Irrational Real Number: (D) or the square root of is an irrational number because it cannot be expressed as a simple fraction. However, irrational numbers are also real numbers.
