The number 66.514 is already rounded to the nearest thousandth.
8.924
It is 6.981 when rounded to the nearest thousandth
88.564
70.659
34921.000
145 is rounded to the nearest ones. 145 rounded to the nearest thousandth is 145.000
0.370
11.314
0.230
0.420
66666667.000
8.246