Three Problems Are Worked Below

Multiple Choice

Three problems are worked below. Choose the answer that properly describes the correct use of significant digits
I. 0.34
II. 14.3
III. 14.21 +14.2×2.0×134 14.5 28.6 1.90×10³

A) I and II are correct, III is incorrect
B) I and III are correct, II is incorrect
C) II and III are correct, I is incorrect
D) all three are correct
E) none of these