Question

Mark says that the number 2 is a rational number because he can write it as the tion ( 2/1 ). Is Mark correct? Explain why or why not.

Answer 1

Mark is correct; the number 2 is a rational number because it can be expressed as the fraction 2/1, following the definition of rational numbers as fractions with integer numerators and non-zero integer denominators.

Step-by-step explanation:

Mark is indeed correct when he says that the number 2 is a rational number because it can be expressed as the fraction 2/1. In mathematics, a rational number is defined as one that can be written as a fraction, where the numerator and denominator are integers, and the denominator is not zero. Since 2 can be written with a numerator of 2 and a denominator of 1, which meets these criteria, we can conclude that 2 is a rational number. Also, any whole number is considered a rational number because it can be expressed as the whole number over 1.