Emek and Luna were hiking along a mountain trail when they noticed the sky growing darker. At a fork, a compass board showed three safe routes to shelters: north was 3.48 kilometers, east was 3.405 kilometers, and west was 3.54 kilometers. They wanted the shortest route. All three distances had 3 in the ones place, so Emek compared the tenths. North and east both had 4 tenths, while west had 5 tenths. Luna then compared the hundredths and saw that east was shorter than north. They chose the 3.405-kilometer eastern trail and reached the shelter with plenty of daylight left.