Answer
3583.261 (rounded)
Work Step by Step
1648.3$\div$0.46
= 3583.26086
Now, we need to round to the nearest thousandth. so we need to keep the three decimal point and look at fourth if it is 5 or more then add one to the third decimal point.
= 3583.260 + 0.001 = 3583.261 (rounded)