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) 5 xx 5.364, (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) 5 xx 5.364, (iii) 0.0125 + 0.7864 + 0.0215
Answer» Solution :(i) The least PRECISE term (i.e., 0.112) has 3 significant figures. Hence, the answer should have 3 significant figures. (ii) 5 is the exact number. The other term, i.e., 5.364 has 4 significant figures. Hence, the answer should have 4 significant figures. (iii) The answer should have 4 significant figures because the least number of DECIMAL PLACES is 4.