How Many Significant Figures Are in Each of the Following

How many significant figures are in each of the following quantities?
(i) 0.00062 kg
(ii) 0.720 in.
(iii) 4.150 * 10³ lb
(iv) 0.305 m³

A) i.2 ii.2 iii.3 iv.3
B) i.2 ii.2 iii.4 iv.3
C) i.5 ii.3 iii.4 iv.3
D) i.2 ii.3 iii.4 iv.3
E) (i.5 ii.3 iii.4 iv.3)