Exercise 2: Use the unit factor method to solve the following problems. Set up each problem in the same way as the example problem on the previous pages. Show all your work, with units on all of your numbers and cancelling units. Recall our discussion in class about rounding and significant digits. a) Apples sell for 43 cents a pound. How much do 3.2 pounds of apples cost in cents? b) Gold costs $500 per ounce. A solid gold nugget is 23.5 ounces. How much is it worth? c) How many feet are there in 58 yards? d) The new hybrid cars get 65 miles per gallon. How many miles can you drive on 5 gallons of gas? e) How many nickels are in 126 dollars? f) How many days are there in two and a half years? g) Sara needs 0.08 grams of catalyst. Each tablet contains 0.003 grams of catalyst. How many tablets will Sara need