State the number of significant figures in the following
a) 6729 b) 0.024
c) 0.08240 d) 6.032
e) 4.57 × 10⁸

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Detailed Solution

a) 6729, contains four significant figures
b) 0.024 contains only two significant figure.
c) 0.08240 contains four significant figures.
d) 6.032 contains four significant figures.
e) 4.57×10⁸ contains three significant figures.

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