Its 81 centimeters because you round 5 and over. So nearest centimeter means 2 whole numbers which is 81
One liter is 1,000 ml. plus 299 ml. is 1,299 ml. plus the additonal 398 ml. is 1,697 ml. which is 722 ml. less than the total volume. (722 ml. of water can still be added.)
-2 is 5 less than 3
hope this helps
