[22c]

I think it depends how you think of the initial number, I think of it as a fraction and the multiplier applies to the denominator.

eg. if hallucinations occur roughly 1 in 20 prompts then 10x fewer is 1 in 200 prompts, rather than 0.1 in 20 prompts.

[m463]

Isn't 1 in 200 equivalent to .1 in 20?

[bryzaguy]

It is. I think their point is “10x fewer” makes sense if you imagine going from a denominator of 20 to 200.