Round off to 3 significant figures giving the rules followed
(i)`25.87`
(ii)`0.05134`

Round off to 3 sugnificant figures giving the rules followed (i) 25.87 (ii) 0.05134.

Round off to 3 significant figure. 20.96

Round off to 3 significant figure. 0.0003125

Round off to 3 significant figures: (i) 20.96 (ii) 0.0003125

Round off to 3 significant figures (a) 20.96 and (b) 0.0003125

State the number of significant figures in the following 0.024

State the number of significant figures in the following 0.08240

Write down the number of significant figures in the following . (i) 0.007 (ii) 2.64xx10^(24) (iii) 0.2370 (iv) 6.320 (v) 6.032 (vi) 0.0006032

Find the number of significant figures in the following numbers. (i) 6729 , (ii) 0.024 ,(iii) 6.0023 , (iv) 2.520 xx 10^7 , (v) 0.08240 (vi) 4200 , (vii) 4.57xx10^8 , (viii) 91.000