Answer:
The answer is 3,989.237
Step-by-step explanation:
the thousandth place is the third one over so that would be 6
then you would go one over and if it is 4 or less you keep 6 as 6 and get rid of everything after 6. but if it is 5 or more, then you make the 6 into a 7 and get rid of everything after 7.
