8
round each number to the nearest 10, then
640 ÷ 80 = 8 ← estimate
Answer: 1ST ONE CUZ THE LINE IS AT A CERTAIN ANGLE AT A POINT TO MATCH THE FIRST ANSWER
Step-by-step explanation:
Answer:
39+10=49
Step-by-step explanation:
I hope this helps you.
Answer:
84.5
Step-by-step explanation:
12.3(3)+11.9(4)=84.5