Understanding the number systems

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Intros
Lessons
  1. Introduction to number systems
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Examples
Lessons
  1. State the number systems each of the following belongs to
    1. 4\sqrt{4}
      0
      6.78 \overline{78}
      5.76204...
      -0.45454545…
      π \pi

    2. -7
      0.5ˉ\bar{5}
      0.403850
      7.898989…
      8 \sqrt{8}
      -0.74867…