How many significant figures are there in the measured values
(i)227.2 g , (ii)3600 g and (iii)0.00602 g

Options

A. 227.2 g
B. 3600 g
C. 0.00602 g
D. `2.50xx10^(10)g`

Explanation

(i) 227.2 g has all the non-zero digits.Hence,it has four significant figures.
(ii)According torule number 4 trailing zeroes are not significant.Hence,3600 g has 2 significant figures.
(iii) According to the rule number 3 the zeroes at the beginning are not significant. hence,0.00602 g has 3 significant figures.
(iv) According to the rule number 6, it has 3 significant figures.