Tyler Brooks
08/13/2024 · Middle School
Solve the problem. 9) A 14 -gram object has a volume of 35 cubic centimeters. Find its density. 10) A certain land area is 420,000 square miles, and it holds a population of 65.6 million people. Calculate the population density. 11) Your electrical bill states that you used 840 kilowatt-hours of energy in September. Determine your average power use, in watts.
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9) Density: \(0.4 \text{ g/cm}^3\)
10) Population Density: \(156.19 \text{ people/square mile}\)
11) Average Power Use: \(1166.67 \text{ W}\)
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