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Chapter 9: Problem 68
If a nickel weighs 5 grams, how many nickels are there in 4 kilograms of nickels?
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Convert to an appropriate metric unit so that the numerical expression in the given measure does not contain any zeros. \(11,000 \mathrm{~mm}\)
Nebraska has a population density of \(23.8\) people per square mile and a population of \(1,842,641\). What is the area of Nebraska? Round to the nearest square mile.
Use the following English and metric equivalents, along with dimensional analysis, to convert the given measurement to the unit indicated.English and Metric Equivalents$$\begin{aligned}&1 \text { in. }=2.54 \mathrm{~cm} \\\&1 \mathrm{ft}=30.48 \mathrm{~cm} \\\&1 \mathrm{yd} \approx 0.9 \mathrm{~m} \\\&1 \mathrm{mi} \approx 1.6 \mathrm{~km}\end{aligned}$$ \(776 \mathrm{~km}\) to \(\mathrm{mi}\)
Although Alaska is the least densely populated state, over \(90 \%\) of its land is protected federal property that is off-limits to settlement. A resident of Anchorage, Alaska, might feel hemmed in. In terms of "elbow room," what other important factor must be considered when calculating a state's population density?
You jog 500 meters in a given period of time. The next day, you jog 500 yards over the same time period. On which day was your speed faster? Explain your answer.
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