(a) \(\boxed{2}\) significant figures(s)
(b) \(\boxed{2}\) significant figures(s)
(c) \(\boxed{2}\) significant figures(s)
(d) \(\boxed{1}\) significant figures(s)
(e) \(\boxed{2}\) significant figures(s)
(f) \(\boxed{2}\) significant figures(s)
(g) \(\boxed{0}\) significant figures(s)