Question $1$

$33$ pts

By what length will a slab of concrete that is originally $15\mathrm{.}2$ m long contract when the temperature drops from $22\mathrm{.}5C$ to $-5\mathrm{.}09C?$ The coefficient of linear thermal expansion for this concrete is $1\mathrm{.}0{10}^{-5}{K}^{-1}.$ Give your answer in cm $.$