(References This question has multiple parts. Work all the parts to get the most points. Carry out each of the following conversions, using a combination of two conversion factors for each conversion: a Convert 0.220 km into feet, using the fact that one km equals 0.621 mile and one mile equals 5280 feet. (Enter your answer to three significant figures.) feet b Convert 0.220 g into grains, using the fact that one ounce equals 28.35 g and one ounce equals 437.5 grains. (Enter your answer to three significant figures.) grains Convert 5.3 x 107 kg into tons, using the fact that there are 2.205 pounds in one kilogram and 2000 pounds in a ton. (Enter your answer to two significant figures.) tons Submit Answer Try Another Version 5 item attempts remaining