• Crowfiend@lemmy.world
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    6 months ago

    Only if you’re rounding. 99.9 is still 1/10 of a digit separated from 100, but it’s not equal to 100 for good reason.

      • Crowfiend@lemmy.world
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        6 months ago

        It only signifies that the post-decimal nines are repeating infinitely. It still doesn’t make 99.99999…=100 unless you intentionally round the value for some nondescript reason, and even then, rounding off isn’t changing the value, only the perceived value for mathematical simplicity, not objective accuracy.

        • chiliedogg@lemmy.world
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          6 months ago

          “.9…” is repeating, but rational. So it’s actually “1” . Let’s do the math.

          .9… / 3 = .3…

          .3… = 1/3

          1/3 x 3 = 3/3

          .9… = 3/3

          3/3 = 1

          .9… = 1