Decide which estimate is closest to the actual answer. explain your reasoning. (a) a store bought 35 lb of produce. if the store spent $100.80, about how much does the produce cost per pound in dollars? 0.03, 0.3, 3, 30 (b) a 6-pack of juice boxes contains 49.2 oz of juice in total. about how many ounces of juice does each juice box contain? 0.8, 8, 80, 800 (c) in 20 l of air, there is about 0.78 l of carbon dioxide. about how many liters of carbon dioxide are there in 1 l of air? 0.04, 0.4, 4, 40