The answer would be A and B, because they can both be rounded to 180, and are more precise.
Answer: The answer is 3.77.
Explanation: Since 0.10 is 10 times smaller than 1, we know that if we divide 37.7 by 10, we will get the same answer as 0.10 x 37.7.
-4 as if it was -1/4 that would mean it goes to right 4 times and down 1
