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Review : Practice A. Chapter 1: Sig.figs. scientific greenback, conversion of units 1. plant 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 trading 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 motorcars average quickening? 2. A car is moving at a persistent acceleration and covers a outmatch of 1500m. The final stimulate 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 surmount travelled. 4. If the breaking distance for your car at a certain speed is 200ft and later reacting to a situation, you have managed to stop your car in 4s. purpose 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 broad(a) essay, order it on our website: OrderCustomPaper.com

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