How many significant figures should be present in the answer of the following calculations ? (i) (0.02856 xx 298.15 xx 0.112)/(0.5785) (ii) 5xx5.364 (iii) 0.0125+0.7864+0.0215

How many significant figures should be present in the answer of the fo

1.	How many significant figures should be present in the answer of the following calculations ? (i) (0.02856 xx 298.15 xx 0.112)/(0.5785) (ii) 5xx5.364 (iii) 0.0125+0.7864+0.0215
Answer» SOLUTION :(i) In MULTIPLICATION and division 3 significant figure PRESENT in 0.112 so, no more than 3 significant figure in answer. (ii) In multiplication 5 is constant and definite NUMBER so in other value there are four significant figures, so Ans is four. (iii) In the GIVEN addition the least number of decimal places is 4. So 4 significant figures.