40.3k views
1 vote
A certain city covers an area of 37.8 mi2. How many square kilometers is this? Use the conversion factor 1 mile = 1.61 km. Round to one decimal place.

User Shpigford
by
8.0k points

1 Answer

5 votes

Answer: 98.0 square kilometers

Explanation:

We want 37.8 sq. miles converted to square kilometers. In order to do this, we need to know how many square miles are in a square kilometer.

1 mile * 1 mile = 1.61 km * 1.61 km because 1 mile = 1.61 km

1 square mile = 2.5921 square kilometer

Use Dimensional Analysis:

37.8 sq. m * (2.5921 sq. km / 1 sq. m) = 97.98138 square kilometers.

Next round this answer. ... 98.0 sq. km.

from MysticAlanCheng

User Jonathan Badeen
by
8.4k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.