Answer:

Step-by-step explanation:

7203 is greater because it font got no decimal or nothing. Is a whole number
I think you would just have to find the square roots
Answer: the last one!! 
Step-by-step explanation:
When there is a line under it means no more than!
Answer:
Yes, 1920 pounds is an accurate measurement since this quantity is within the range 1,950 ±39 pounds.
Step-by-step explanation: