Gram and milligram are in the metric system and are for weight. Pound is the United States system and kiloliter measures liquids
Answer: Rule: The sum of any integer and its opposite is equal to zero. Summary: Adding two positive integers always yields a positive sum; adding two negative integers always yields a negative sum. To find the sum of a positive and a negative integer, take the absolute value of each integer and then subtract these values.
Step-by-step explanation:
3 hours and 57 minutes assumingthe 4:27 is also pm
7.19666667 and round it up if ur supposed to