question: Use the data from the Nutrition Facts label below to answer the following questions: a. Use the data given on the label for grams of fat and calories from fat to construct a conversion factor that has the units calories per gram. b. Calculate the mass in kilograms for 20 servings of the food. c. Calculate the mass of protein in micrograms for one serving of the food. d. What is the correct number of significant figures for the answer in item a? <image 1>
  Options: A: 7.2 Calories/g;0.3 kg;2*10^3$\mu $g;1, B: 7.2 Calories/g;0.4 kg;2*10^4$\mu $g;1, C: 7.4 Calories/g;0.5 kg;2*10^5$\mu $g;1, D: 7.5 Calories/g;0.6 kg;2*10^6$\mu $g;1