Three measurements are made as 18.425 cm , 7.21 cm and 5.0 cm . The sum of measurements upto correct number of significant figure is

Question

Three measurements are made as 18.425 cm , 7.21 cm and 5.0 cm . The sum of measurements upto correct number of significant figure is (A) 30.635 cm (B) 30.64 cm (C) 30.63 cm (D) 30.6 cm

Tardigrade Admin · Accepted Answer

Sum of the measurements is correct only upto one place of decimal corresponding to the least number of decimal places. 18.425+7.21+5.0=30.635=30.6 cm

Q. Three measurements are made as $18.425 c m, 7.21 c m$ and $5.0 c m .$ The sum of measurements upto correct number of significant figure is

$30.635 c m$

$30.64 c m$

$30.63 c m$

$30.6 c m$

Sum of the measurements is correct only upto one place of decimal corresponding to the least number of decimal places. $18.425 + 7.21 + 5.0 = 30.635 = 30.6 c m$

Q. Three measurements are made as 18.425cm,7.21cm and 5.0cm. The sum of measurements upto correct number of significant figure is

30.635cm

30.64cm

30.63cm

30.6cm