Concept 3: Practice
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Write the following values in scientific notation A. 787,000 B. 4,990,000 C. 0.0413 D. 0.00000011
7.87 x 10 to the 5 4.99 x 10 to the 6 4.13 x 10 to the -2 1.1 x 10 to the -7
Write the following values in standard notation A. 6.9 x 10 to the -3 B. 7.008 x 10 to the 6 C. 1.02 x 10 to the 2 D. 5.0553 x 10 to the -4
A. 0.0069 B. 7,008,000 C. 102 D. 0.00050553
Use dimensional analysis to convert the following values. A. 191 days to seconds B. 32 lbs to grams C. 21 mm to yards
A. 191d/1 x 24hr/1d x 60min/1hr x 60sec/1min = 16,502,400sec B. 32lbs/1 x 16oz/1lb x 28.35g/1oz = 14,515.2g C. 21mm/1 x 1m/1000mm x 100cm/1m x 1in/2.54cm x 1ft/12in x 1yd/3ft = 2100/91,440 = 0.023yds
