Miss Douglas has fruit everyday for lunch. On Monday she consumed 43 blueberries, which weight a total of 180 grams. How many milligrams did the average blueberry weigh? Give your answer correct to two decimal places.
Mrs. Johnson approximates the distance from Annandale HS to Chick Fil A as 1 mile when it is really 1.1 miles. Calculate the percent error. Give your answer to 3 significant figures.
Give your answer to #2 to one decimal place.
Give the upper bound to #3.
Give the lower bound to #3.