Chapter 1 - Problem Solving Conversion A. Unit System - Convert the units according to what is being asked. Round your answers to two decimal places only. 1. 238 Liters to Kiloliters 2. 5 cups to teaspoon 3. 32 pounds to centigram 4. 3 miles to feet 5. 7miles to kilometres B. Scientific Notation - Convert the units according to what is being asked. Round your answers to two decimal places only. 1. 123. 000. 000 2. 0.0020421 3. 2.14 x 107 4. 12.124 x 10-2 C. Percent Error and Difference Solve for what is being asked. 1. The masked you ordered has a length of 9.5 inches but when measured using a ruler a value of 8.5 inches is seen. What is the percent error? 2. When playing with marbles, values of 23 cm and 25cm is measure. What is the percent difference? 3. The juice bottle you bought says that the content is 300mL. Out of boredom you measured the content using a beaker. Looking at the meniscus, the measurement is 280mL. What is the percent error? What could be the possible cause for this discrepancy? 4. Andy's height is 5.3 inches. Suzy's height is 4.9 inches. What is the percent difference between the two ladies? D. Variance An experiment is conducted to determine the range a new model of motorcycle can drive to in a designated time frame. The values measured are as follows: 129.5 m, 130 m , 128.89 m , 127.6 m , 129.99 m. 127.3 m, 127.78 m, 129.20 m. 128.1m, and 129.5m Determine the a) mean, b) variance, c) standard deviation, and d) measured period of the coin's swinging