Discussion 1 - Key (1)

# Discussion 1 - Key (1) - 3 ) to find the radius of the...

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Key for Discussion Worksheet 1 Number Scientific Notation Significant Digits 52641.5 5.2641 x 10 4 6 52100000 5.21 x 10 7 3 0.0002458 2.458 x 10 -4 4 12.0450 1.20450 x 10 1 6 1420.002 1.420002 z 10 3 7 15203000 1.5203 x 10 7 5 0.00000054860 5.4860 x 10 -7 5 2.24 2.24 x 10 0 3 8940.24501200100 8.94024501200100 x 10 3 15 594000. 5.94000 x 10 5 6 1. The value of the Euro is currently \$1.25 U.S. and the price of 1 liter of gasoline in France is 0.97 Euro. What is the price of 1 gallon of gasoline in U.S. dollars in France? ( 29 60 . 4 \$ 25 . 1 \$ 97 . 0 79 . 3 1 = euro L euro gal L gal 2. The density of iron is 7.86 g/cm 3 . What is its density in pounds per cubic inch (lbs/in 3 )? 3 3 3 283 . 0 54 . 2 20 . 2 1000 86 . 7 in lbs in cm kg lbs g kg cm g =

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3. A solid aluminum sphere has a mass of 85g. Use the density of aluminum (2.70 g/cm
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Unformatted text preview: 3 ) to find the radius of the sphere in inches. ( 29 in cm in cm cm cm V r r V cm g cm g 77 . 54 . 2 96 . 1 96 . 1 ) 1415 . 3 ( 4 ) 48 . 31 ( 3 4 3 3 4 48 . 31 70 . 2 85 3 3 3 3 3 3 = = = = = = π 4. The Honda Insight, a hybrid electric vehicle, has an EPA gas mileage rating of 57 mi/gal in the city. How many kilometers can the Insight travel on the amount of gasoline that would fit in a soda pop can (355 mL)? km mi km gal mi L gal mL L mL 6 . 8 61 . 1 57 79 . 3 1000 355 =...
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## This note was uploaded on 05/15/2011 for the course CHM 116 taught by Professor Matchett during the Fall '11 term at Grand Valley State University.

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Discussion 1 - Key (1) - 3 ) to find the radius of the...

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