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What is the Celsius temperature reading of - 15 F? The answer is negative and you will have to put the minus sign in the answer box. Please round your answer to one decimal place.The coefficient of linear expansion of steel is a = 12 x 10-6/Co. A railroad track is made of individual rails of steel Lo = 1.50 km in length. By what length (AL in centimeters) would these rails change between a cold day when the temperature is -14.0 C and a hot day at 27.9 C? Note that 1.0 km = 1000 m and that 1.0 m = 100 cm. Please round your answer to one decimal place