Answer
(a) 5
(b) 6
(c) 1
(d) 3
(e) 2
(f) 1
(g) 4
(h) 3
Work Step by Step
(a) All trailing zeros after the decimal point are significant.
(b) Only the first part is significant, $10^{x}$ is not significant.
(c) Trailing zeros before the decimal are not significant.
(d) Zeros after the decimal, but before the first nonzero digit, are not significant.
(e) All nonzero digits are significant.
(f) Only the first part is significant, $10^{x}$ is not significant.
(g) All trailing zeros after the decimal point are significant.
(h) Zeros between two nonzero digits are significant.
