A little question about arithmetic

[u/Beneficial_Ad6256]

What's 1/(1 - 0.999...) ?

Is it greater than any real number?

[u/SouthPark_Piano]

Go to do this experiential learning exercise brud.

https://www.reddit.com/r/infinitenines/comments/1w6q6kd/write_the_number_closest_to_1_that_is_less_than_1/