Yes you are spot on. Pie's decimal representation is infinite in length, but the number is still finite. If we look at the animation below, we could see that the number is finite.This neglects constants that are infinite in length. The number ∏ for example. It has infinite length if written out, or calculated. Do you propose to limit that length, even though it would then NOT reflect the true "reality" of the number itself?
Now, let's recreate that in a smaller scale. Let's choose the smallest Planck's scale as the size of our point - 1.616252(81)×10\(^{-35}\). Since we are so zoomed in, we can clearly see each point now. In this scale, the number of points in a circle can be now counted so let's create a circle that contains 33 points. Now let the smaller circle represent each point in the circle (we enlarge the points into a circle so that we can see it clearly)
Now,... wait, can we postpone our discussion and somebody please tell me what I did wrong in that picture above? Why doesn't it even reach somewhere near the pie constant? You can count the number of points in the circle and the line and it would be the same.
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