Answer:
85.8
Explanation:
85.807. The 8 in bold is the tenth place and the 0 underlines is the determining factor on if you round up. Whenever you're looking to round up always loo at the number behind the value needed to round up. If the number in this case 0, is less than 4 you do not round up. If the number behind the value is 5 or above, then you round up. 0 is less than 4.
Hope it helps!