Find the distance between Quasar (the most distance objects from earth) in km if light takes 3.0 billion year h reach us

Question

$\begin{array}{1 1} (a) \;2.8\times 10^{22}\;km \\ (b) \;2.8\times 10^{40}\;km \\ (c) \;1.8\times 10^{21}\;km \\ (d) \;4.5\times 10^{35}\;km \end{array}$