What is the value of the rate constant for this reaction?

Express your answer to three significant figures and include the appropriate units.

Check the table to solve the question.

\begin{tabular}{|c|c|c|c|} \hlinet (s) & [A] (M) & ln[A] & 1/[A] \\ \hline 0.00 & 0.500 & 0.693 & 2.00 \\ \hline 20.0 & 0.389 & 0.944 & 2.57 \\ \hline 40.0 & 0.303 & 1.19 & 3.30 \\ \hline 60.0 & 0.236 & 1.44 & 4.24 \\ \hline 80.0 & 0.184 & 1.69 & 5.43 \\ \hline \end{tabular} What is the value of the rate constant for this reaction? Express your answer to three significant figures and include the appropriate units