Answer
a. 16.01 mm it is the most accurate.
b. 0.737 mm is the most precise.
Work Step by Step
a. Since the measurement 16.01 mm has 4 significant digits (the most), then it is the most accurate.
b. Since the precision of the measurement 0.737 mm is 0.001, then it is the most precise measurement. The other numbers have precisions of 0.01.