You have to add up all the numbers then divide by the amount of numbers there are
24+38+19=81
81/3=27
The average is 27
Answer:
8.06
Step-by-step explanation:

It is just asking you to reorder the number so that the smallest number is first and the largest number is last.
The answer is: 8, 8.261, 8.4, 8.634
4-3=1 and 5-4= 1 so it's 4