Textbook Question
In France, grapes are 1.95 euros per kilogram. What is the costof grapes, in dollars per pound, if the exchange rate is 1.14dollars/euro? (2.6)
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2. Measurement and Problem Solving
Dimensional Analysis
Multiple Choice
If the distance between Washington, D.C. and New York City is 224.9 miles, determine the distance in centimeters.
A
8.110 x 109 cm
B
3.619 x 107 cm
C
4.207 x 10-3 cm
D
1.913 x 10-5 cm
E
5.000 x 1011 cm
Verified step by step guidance1
Start by understanding the conversion factor between miles and centimeters. There are 1.60934 kilometers in a mile, and 100,000 centimeters in a kilometer.
Multiply the distance in miles (224.9 miles) by the conversion factor to convert miles to kilometers: 224.9 miles × 1.60934 km/mile.
Next, convert the distance from kilometers to centimeters by multiplying the result by 100,000 cm/km.
Ensure that units are correctly canceled out during the conversion process, leaving the final result in centimeters.
Review the calculation steps to ensure accuracy and consistency in unit conversion.
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