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Chapter 9: Problem 88
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.
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Convert to an appropriate metric unit so that the numerical expression in the given measure does not contain any zeros. \(7000 \mathrm{dm}\)
Select the best estimate for the measure of the given item. The height of a room a. \(4 \mathrm{~mm}\) b. \(4 \mathrm{~cm}\) c. \(4 \mathrm{~m}\) d. \(4 \mathrm{dm}\)
Select the best estimate for the measure of the area of the object described. The area of the face of a small coin a. \(6 \mathrm{~mm}^{2}\) b. \(6 \mathrm{~cm}^{2}\) c. \(6 \mathrm{dm}^{2}\)
Determine whether each statement makes sense or does not make sense, and explain your reasoning. The most frequent use of dimensional analysis involves changing units within the metric system.
Use the following English and metric equivalents, along with dimensional analysis, to convert the given measurement to the unit indicated.English and Metric Equivalents$$\begin{aligned}&1 \text { in. }=2.54 \mathrm{~cm} \\\&1 \mathrm{ft}=30.48 \mathrm{~cm} \\\&1 \mathrm{yd} \approx 0.9 \mathrm{~m} \\\&1 \mathrm{mi} \approx 1.6 \mathrm{~km}\end{aligned}$$ \(12 \mathrm{~m}\) to \(\mathrm{yd}\)
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