The Eiffel Tower in Paris Is Made Primarily of Iron

Multiple Choice

The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about 10 × 10 ^{− 6}/°C. On a cold day when the temperature is -10°C the Eiffel tower is 300 meters tall. Its height on a hot day when the temperature is 40°C is

A) 300.0015 m.
B) 300.015 m.
C) 300.15 m.
D) 301.5 m.
E) 315 m.