The Coefficient of Linear Expansion of the Steel in a Certain

Multiple Choice

The coefficient of linear expansion of the steel in a certain bridge is 1.10 $\times$ 10^-5/Cº.If at a minimum winter temperature of -30ºC the bridge is 30.5 m long,at the summer maximum of 40ºC its length is increased about

A) 2.54 cm
B) 2.54 mm
C) 0.254 mm
D) 25.4 µm
E) 2.54 µm