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Name: Objective 2: Solve quantitative problems using dimensional analysis and measurement techniques. 2b: Indicate significant figures 1. Define a zero "on the left". Give an example. Are these zeros significant? 2. Define a zero "in the middle". Give an example. Are these zeros significant? 3. Define a zero "on the right". Give an example. Are these zeros significant? 4. How many significant figures are in each of the following measured quantities? a. 11.005 g b. 0.00032 m C. 36000000 m d. 1.80 x 104 L 5. Underline the significant zeros in the following numbers: a. 0.42 b. 507 C. 0.03080 d. 4.0100 x 104 6. Why do we follow different rules for addition/subtraction and multiplication/ division? 7. How should you set up an addition/subtraction problem? A multiplication/ division