Trial Length (miles)
1 1.9
2 4.2
3 5.9
4 3.8
What is the longest measurement you made, in Sl units? 1 mi = 1.61 km.
A. 8.7 km
B. 9.5 km
C. 3.7 km
D. 5.2 km

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3