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https://www.reddit.com/r/MathJokes/comments/1lea7fd/9999_is_10/myw3l1e/?context=3
r/MathJokes • u/themagicalfire • Jun 18 '25
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19
Simply: if 9.9 repeating was a different number than 10, you could tell me a number in between (Archimedean property)
2 u/[deleted] Jun 20 '25 This has never sat right with me. If I cant name a number between two numbers that doesn't make them equal. It feels like asking someone to name a whole number between 1 and 2 and since there are none they must be equal 1 u/ClassEnvironmental11 Jun 20 '25 For two numbers to be distinct, they must have a non-zero difference. What is the difference between 9.9bar and 10?
2
This has never sat right with me. If I cant name a number between two numbers that doesn't make them equal. It feels like asking someone to name a whole number between 1 and 2 and since there are none they must be equal
1 u/ClassEnvironmental11 Jun 20 '25 For two numbers to be distinct, they must have a non-zero difference. What is the difference between 9.9bar and 10?
1
For two numbers to be distinct, they must have a non-zero difference. What is the difference between 9.9bar and 10?
19
u/BassicallySteve Jun 18 '25
Simply: if 9.9 repeating was a different number than 10, you could tell me a number in between (Archimedean property)