Which of the following is a rational number?(1 point)
A. 7–√
B. 7.9837377283...
C. 7.8
D. π
C. 7.8
The rational numbers can be defined as numbers that can be expressed as a fraction, where the numerator and denominator are both integers, and the denominator is not zero.
Out of the options provided, the rational number is C. 7.8. This number can be expressed as the fraction 78/10, where both the numerator (78) and denominator (10) are integers.
A. 7–√ cannot be expressed as a fraction, as it involves an irrational number (√) and cannot be simplified further.
B. 7.9837377283... is a repeating decimal, but it can still be expressed as a fraction (e.g., 79837377283/9999999999). Therefore, it is also a rational number.
D. π (pi) is an irrational number and cannot be expressed as a fraction with integer numerator and denominator. Therefore, it is not a rational number.