Step-by-step explanation:
The line above the letter means "complement". If X is a set, the the complement of X (denoted by X with a line above it) is the set of all things not in X...If X is a set, then the complement of X (denoted by X with a line above it) is the set of all things not in X.
Sorry if it was complicated
300,000,000+60,000,000+2,000,000+31,000+1000+100
Answer:
500000
Step-by-step explanation:
There would be an open circle on positive 12 with the arrow moving to the right.
