See this MUST READ article: https://www.extremefinitism.com/blog/why_every_proof_that_0-999_equals_1_is_wrong/
This video investigates why 0.999... (zero point nine recurring) does not equal 1, despite the many arguments to the contrary.
Also see the article: https://www.extremefinitism.com/blog/the-sting-the-long-con-of-0-999-1/
This video is part 1 of two. This video explains the problem and the next video (part 2) proposes a solution.
For more information about why the notion of 'infinity' should be removed from mathematics go to ExtremeFinitism.com.
There are already far too many links on the Internet to articles that claim 0.999...=1, please do not try to post any here.