1. Write the answer to this calculation with the proper number of significant figures in your answer. Show your work along the way showing how you track the correct significant figures at each step without rounding early. Keeping two numbers after the last significant decimal place in each step is enough to show your work. (8.462.09)(0.51+0.22) (3.74 +0.07)(0.16+0.2) 2. If the density of a sample of sugar is 1.59 g/mL, how many hectagrams of sugar are contained in 1.25.kL of sugar? = calculation work needs to be included where necessary with proper units and significant figures. Explanations need to be in complete sentences and should not include the word "it", as often people forget to explain what the "it" references