It works because even if the numbers are broken apart, you are still multiplying the numbers by their values, it's only different because once broken apart, it's in expanded form instead of standard form. It also makes multiplication easier since you don't have to deal with such large numbers.
The correct answer is the third one (x,y) - (-x, -y)
The answer to your question is 10 2/5
Answer:
i do not know srry
Step-by-step explanation:
i think u should try and solve it with a better teacher
