2022 Mathematics - Number Systems

What is the number of numbers of the form 0.XY, where X and Y are distinct non-zero digits?

  • 72
  • 81
  • 90
  • 100

Want to see the 360° AI Analysis?

Sign up for a free 7-day trial to see option elimination logic, concept maps, and AI-graded model answers for this question.

View Interactive Analysis