Answer:
={6,7,8,9,10}.
Step-by-step explanation:
We have an empty set: M={} and the set N={6,7,8,9,10}.
The union of these two sets are elements in M or N or both.
Since the M is a null set,
Therefore: ={6,7,8,9,10}.
The union for the given sets is {6,7,8,9,10}.