350.015
Two hundred fifty-seven thousandths written as a decimal is 0.257
51.915
900.0250
three --- .03 eight hundred fifty two thousandths--- .000852
Fifty-six thousand, two hundred thirty-seven hundred thousandths
This can be quite ambiguous. There are 2 ways that "five hundred fifty-three thousandths" can be written. 500/53000 (this is five hundred lots of fifty-three thousandths) 553/1000 (this is five hundred fifty-three lots of one thousandths)
54.00007
It is 0.953
10.00057
.953
theree hundred fifty-fourthen thousandths
50.208