How many significant figures are present in the following ?
i) 0.0025, ii) 208, iii) 5005, iv) 126,000 v) 500.0, vi) 2.0034

Explanation

(i) 0.0025
No. of significant figures = 2
(ii) 208
No. of significant figures = 3
(iii) 5005
No. of significant figures = 4
(iv) 1,26,000
No. of significant figures = 6
(v) 500.0
No. of significant figures = 4
(vi) 2.0034
No. of significant figures = 5