1. Organized method of problem-solving Used in chemistry, physics, engineering, and medicine Communicates the path to scientists that follow your work Records your own path for your future use

2. Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

3. Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

4. Calculate the number of minutes in 3.61 hours. *Note: Use the number given in the question to determine the number of sig figs in your answer.

5. How many centimeters are in 4.2 inches? *Note: Use the number given in the question to determine the number of sig figs in your answer.

6. How many centimeters are in 4.2 inches? *Note: Use the number given in the question to determine the number of sig figs in your answer.

7. Calculate the number of seconds in two weeks.

12. Convert the density of 0.58 g/mL to lb/gallon. (1 L = 1.057 qt and 4 qt = 1 gal; 1kg = 2.2 lb)