Answer: 98.640
Explanation:
The hundredth place is 4 so u look to the right where the next digit is. Then you have to look if the next digit is 5 or more or 5 or less. 3 is 5 or less so u look back to the left where the 4 is and u leave that same but make the 3 a 0 and then u will get 98.640.