Answer:
The SI unit for length is the meter (abbreviated m); its definition has also changed over time to become more accurate and precise. The meter was first defined in 1791 as 1/10,000,000 of the distance from the equator to the North Pole.
Answer: A
Step-by-step explanation:
If you put 0 in for x, then you would be dividing by 0. Dividing by 0 is always undefined.
Answer:
6300
Step-by-step explanation:
253 is closer to 300 than to 200
Answer:
A≈78.54
Step-by-step explanation:
A=πr2
I think this is right