Question 1 ,2 and 3 physics 20

The questions in Assignment I are from Chapters 1 and 2 of your Physics 20 Workbook For more examples, information, and theory, refer to your textbook, Pearson Physics, Unit 1, Kinematics. 1. State the number of significant digits in each of the following measurements. ( 7 marks ) a) 702m b) 0.00305 5 c) 1400 kg 01) 5 mg (3) 3.0950 x 1015 s t) 2.1 d g) 8.00040 kg 2. Round each of the following measurements to 3 signicant digits. ( 7 marks ) a) 0.004 325 6 g b) 4.9975 x 10\" m e) 4.0025 kg d) 75 920 km e) 96 304.5 mL 1) 38 509 772 s g) 5.489 m Physics 20 3 Assignment 1 3. State the final answer using the correct number of significant digits and the correct units. ( 8 marks ) a) 236.845 g + 56.008 g + 4.1 g b) 947.4 s 7 56.1374 5 e) 1.05 cm X 6.923 cm X 2.5 cm