The thermal conductivity of a material is given as

PHYSICS · Subjective · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

0.004\,\text{cal\,cm}^{-1}\text{s}^{-1}\,^{\circ}\!\text{C}^{-1}

. Convert this value into SI units (W\,m

^{-1}

\,K

^{-1}

), correct to two significant figures.