Answer:
I don't think this is a real math equation.
Step-by-step explanation:
Answer: 0
Step-by-step explanation: -6.80 + 6.80
Negative numbers act as subtracting
It looks like the ∩ sign may be missing from the question. If you mean to find A∩C, called the intersection, you're looking for elements that are both in A and C.
{0, 2} qualifies.