write uints and correct number of significant figures

3. The first-order decomposition of dinitrogen pentoxide (N204) is represented by 2N-05 (9) + 4NO:(8) +048) Use the table of data to answer the following question: [NO](M) 0 1.150 500 0.852 1000 0.631 2000 4000 0.104 How long will it take for (N0) to fall from 0.680 M to 0.230 M? Report your answer in minutes rounded to the ones place. 0.346