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well 0.9999… is actually 1 because
x = 0.9999... 10x = 9.9999... 10x (9.9999...) - x (0.9999...) = 9 9x = 9 x = 1 so 0.9999... is 1This is muuuch better demonstrated by
1/3 = .33… 2/3 = .66… 3/3 = 0.99…
“Repeating” matters in approximations
Yes, but 0.99999999999999999999 isn’t 0.999… and therefore not 1, so it’s still wrong.
The issue here lies in how it calculates each correct answer value, which is set at 1/15. This approach introduces an approximation error. When you sum all these values together, the total doesn’t quite reach 1.
edit: It’s actually 1/19 for each question
(1/19)*19 = 0,9999999991
Welcome to the secret robot Internet https://www.smbc-comics.com/comic/2013-06-05
Penmanship counts
it’s almost like computers are not that accurate when calculating floating point numbers
About a year ago I ended up with a floating point value that was something like 1.0000000000078 when it should have been 1. Tore my hair out for hours trying to get the piece of crap embedded vendor locked device to just make it 1.
