Use dimensional analysis with unit fractions to find the number of miles in a 20 kilometer race. Round to two decimal places if necessary. The information you need to form your unit fraction(s) can be found in the following table: Conversions Between Systems Length Weight Volume 2.54 cm = 1 in 28.3 g = 1 oz| 1.06 qt = 1 L 1 m =3.28 ft 2.2 1b =1 kg 3.79 L = 1 gal 1.61 km = 1 mi Part: 0 / 3 Part 1 of 3 (a) How many unit fractions will be needed to find the number of miles in a 20 kilometer race? We will need |7 | unit fraction(s) to find the number of miles in 20 kilometers, X 5 Part: 1 / 3 Part 2 of 3 (b) Find the unit fraction needed to find the number of miles in 20 kilometers. Be sure to include the proper units in your answer. 3 The unit fraction needed to find the number of miles in 20 kilometers is ft km cm 4 in X Part: 2 / 3 Part 3 of 3 (c) Find the number of miles in 20 kilometers. Round to two decimal places if necessary. Rounding to two decimal places, there are | |miles in 20 kilometers. X 5