Ncert Exercises & Solutions

1.19 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

(i) 0.0025
There are 2 significant figures.

(ii) 208
There are 3 significant figures.

(iii) 5005
There are 4 significant figures.

(iv) 126,000
There are 3 significant figures.

(v) 500.0
There are 4 significant figures.

(vi) 2.0034
There are 5 significant figures.