Q. Which of the following are irrational numbers?Multi-select Choices:(A) 2.529(B) 2(C) 4(D) Ο
Define irrational number: Define what an irrational number is.An irrational number is a number that cannot be expressed as a simple fraction or as a terminating or repeating decimal. It goes on forever without repeating.
Evaluate option A: Evaluate each option to determine if it is irrational.(A) 2.529 is a terminating decimal, which means it can be expressed as a fraction. Therefore, it is not an irrational number.
Evaluate option B: Evaluate option (B). (B) 2 is an integer and can be expressed as the fraction 12β, which means it is a rational number, not an irrational number.
Evaluate option C: Evaluate option (C).(C) 4 is also an integer and can be expressed as the fraction 14β, which means it is a rational number, not an irrational number.
Evaluate option D: Evaluate option (D). (D) βΟ (pi) is known to be an irrational number because it cannot be expressed as a fraction and its decimal representation is non-terminating and non-repeating.