If we use 22/7 as pi we can say...
22/7 / 90 =
22/7 x 1/90 =
22/630 = 11/315 (in fraction form)
11/315 is the same as saying 11 divided by 315 which would work out to
about .035 rounded to the nearest thousandth
It is in the 100th place because of the decimal . so we can say it 812th