Answer:
5.9
Step-by-step explanation:
The mean means arithmetic average (some people just say average here).
The average of 4 numbers is the sum of those 4 numbers divided by the number of numbers which is 4 in this case.
So we have this formula:
Multiply both sides by 4:
Simplify:
Subtract 13.3 on both sides:
Answer: B 0
exact form: 4/9
decimal form: 0.4 repeating
i hope this helps :)