CHAPTER 1 1. List the seven SI base quantities, units, and symbols. TIME Second (s) 2. Give the correct SI derived units of the following quantities. Density Speed Acceleration Force Pressure kg/m3 Energy 3. Convert the following: ? m (Ans. 1. 22) a. 1. 22 x 10-9 km = b. 6. 523 x 10-4 nm = c. 2. 5x 10-9 nm3 = d. 30. 5 cm/? s = e. 9. 6 ng/mm2 = 4. Mm (Ans. 6. 523 x 10-19) mm3 (Ans. 2. 5 x 10-27) km/h (Ans. 1. 09 x 106) kg/m2 (Ans. 9. 6 x 10-6) Perform the following calculations and report each answer with the correct number of significant figures and units. b. 2. 457 m x 1. 2 m x 2. 45 m d. 3. 6050 cm x (24. 10 cm – 23. 0 cm) a. 3. 45 m – 3. 4 m c. (50. 214 g – 49. 93 g) x 1. 224 cm / 55. 22 cm3 e. 4. 0 x 102 cm – 3 cm f. ?2. 7612g ? 2. 7601g ? 2. 20cm 3 g 26. 167m ? 83m 5. 100m h. 12. 64 cm – 48 mm + 0. 246 m (answer in meters) 7. 87 g/m2 (16. 1 m – 8. 44 m) i. Ans. a) 0. 1 m; b) 7. 2 m3; c) 6. 3 x 10-3 g/cm2; d) 3. 61 cm2; e) 4. 0 x 102 cm; f) 5. 0 x 10-4 g/cm3; g) 21. 4 g/m3; h) 0. 324 m ; i) 1. 03 g/cm3 5.
