Yes, the answer is true. The number -3 is indeed an integer because it is a whole number that can be positive, negative, or zero. Additionally, -3 is also a rational number because it can be expressed as a fraction with an integer numerator and denominator.
Yes, the statement "The number -3 is an integer and a rational number" is indeed true. The number -3 is an integer because it is a whole number that can be either positive or negative, with no fractional or decimal part. Additionally, -3 is a rational number because it can be expressed as a ratio of two integers, namely -3/1.