How to pronounce“ten thousandth”in English

All right, now what about one over one ten thousandth?

whether that's the right definition of efficient because you could have an algorithm whose running time is the ten thousandth power of the size of the input and that

But the billionth of a trillionth of an arm, a four-kilometer arm, amounts to tiny variations in distance, less than a ten thousandth

okay I bought the actual numbers are but if you we don't record all our data we record a tiny fraction of the data it's like of order one ten thousandth or

And after about the ten thousandth request for a maki roll,

many not a hundredth, and to some not a thousandth, or even a ten thousandth part of their whole annual maintenance.