2018 · Q34
Which one of the following decimal numbers is a rational number with denominator 37?
Elementary MathematicsNumber System
- A0.459459459…
- B0.459459459
- C0.0459459459…
- D0.00459459…
Explanation
The repeating decimal 0.459459459… equals 459/999 = 17/37, a rational number with denominator 37. Option (B) is the truncated (terminating) impostor, so the keyed answer is (A).