Final answer:
The number of points on a period at the end of a sentence is non-existent.
Step-by-step explanation:
The number of points that lie on a period at the end of a sentence is non-existent.
A period is represented by a small dot and has zero width. Therefore, it does not occupy any space and does not have any points on it. It is simply a visual indicator that marks the end of a sentence.
For example, in the sentence 'The cat is black.', the period at the end does not have any points on it. The sentence consists of other characters such as letters and spaces, but the period itself does not contribute any points.
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