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Review : Practice A. Chapter 1: Sig.figs. scientific greenback, conversion of units 1. fasten the bod of sig.figs in the following and write it in a scientific notation a) 409.100 b) 501,000,000 c) 0.0000000405 d) 200.00 e) 0.032 f) 10000 2. mastermind the following operations and round off the utmost answer using the rules of sig.fig.s a) 8 x 4.5 b) 30.05/ 2.6 c) 4.50 + 21.8 d) 3660.0 + 0.08 15.8 e) 450/20.0 x 2 3. Convert the following: a) 440inches ----> km b) 85mi/hr----> cm/s c) 300mm ----> um d) 250m/s ---> ft/hr B.Chapter 2 1. A machine starts from rest and by and by 7 seconds it is moving at 42m/s. What is the autos average acceleration? 2. A car is moving at a unvarying acceleration and covers a outmatch of 1500m. The final revive of the car is 80m/s. How long does it take the car to cover the 1500m? 3. If your average speed for a 5-hr trip is 35mi/hr, calculate the quad travelled. 4. If the breaking distance for your car at a certain speed is 200ft and later on reacting to a situation, you have managed to stop your car in 4s. cypher the magnitude of the acceleration Key Answer # of sig.figs. scientific Notation A. 1. a) 64.091 x 10 2 b) 3 5.01 x 10 8 c ) 3 4.05 x 10 -8 d) 5 2 x 10 2 e) 2 3.2 x 10 -2 f) 1 1 x 10 2. a) 40 b) 12 c) 26.3 d) 3644.3 e) 50 3. a) 440in x 2.54cm x 1m x 1km = 0.11km 1 in 100cm 1000m b) 85mi x 1.61km x 1000m x 100cm x 1hr = 3800cm/s hr 1 mi 1km 1m ! 3600s c) 300mm x 1 x 10-3m x 1um = 300 000 um 1mm 1x 10-6m d)...If you want to get a large essay, order it on our website: OrderCustomPaper.com

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