1. Below are the given measurements. Convert it as indicated. (a) 365 days into min (b) 450 cm into km (c) 130 km/h into m/s (d) 150 km into cm (e) 75 m/s into km/h 2. Express the following numbers in scientific notation: (Answers should include three significant figures) (a) 65, 000 (c) 2, 450, 000 (b) 0. 001327 (d) 0. 00001997 3. Padyak crosses 1.00 the distance from the starting point km north and then to the ending point is equal to the 2.00 km east on a length of the hypotenuse. How far and in what direction is it from the starting point? 4. . Compute the x- and y-components of the vectors A, B. C. in Fig. E1.28. Figure E1.28 B (15.0 m) D (10.0 m) 30.0% 53.0 25.0 O C (12.0 m) A (8.00 m)1. What is the sum of 231-45 9', 351-1 .0. and 5-3910? Apply rules In significant figures. A. 648.99 0. 648.3509 3} 648.859 0. 648.15: 2. You are using an electronic stopwatch in one of your experiments in Physics. The digital reading displays along with accuracy to how may second? A. 0.015 C. 0.103 B. 0.1 s D. 1 s 3. The density of aluminum is 2.? glam-'1 An experiment in the laboratory was performed to measure the density of the material. The data in the choices below came from the four groups who performed. Which of the following measurements is most accurate? A 2.068 g/cmi' o. 2.7m 9/ch 0. 2,593 giro-13 0. 2.721 g/cm3 4. The diameter of a certain virus is 0. 0000002 in as viewed under a microscope. How would this be expressed in scientific notation? A. 2.0 x10m C. 2.0 x 10'7m E. 2.0 x 10'm D. 2.0 x 10% 5. Rio de Grands river has a total length of 505 ltrn . What is this length in m? A. 50.5mm c. 5.05:105 B. 5,050,000 to n. 5.05 x107 6. A foreigner is driving his car along North Luzon Express way (NLEX) at a speed of 50 "Wk. Can he be charged off over speeding considering the maximum speed along this express way is 100 kmi'h. A. Yes. because '50 "ll/h is beyond the maximum speed of 1'30 I'm/h. B. No. because 5\" ""70 is less than the maximum speed of 100 mm. C. No. because 5" "it\"? is [us equal tothe maximum speed of 100 kmy'h. D. Not enough data is given to determine if he is over speeding or not. 7. Which of the following sets of measurements are precise? A. 1.50 mm. 1.72 mm, 1. 09 mm. 1. B4 mm B. 0.9 cm. 0.95 cm. 0.80 cm. 0.03 cm C. 1.20 my 1.02 m. 0.97 m. 1. 42 m D. 0.84dm.0.35.0.82,0.03 8. Which of the following relationships of quantities is NOT true? A. 2 Mm = 2 x 105m :2, 10mg = his a. 5m = 0.005.; 0. 36m = e x 1on 9. Which of the following values is equivalent to 0.150 m? A. 150 mm C. 15 rim 3. 150 cm o. 1500 um 10. What is 2.5 millimeters expressed in centimeters? A. 0.075 cm H. 7.5 one C. 0.25 on: D, \"3'5 cm