Express the results of the following calculations to proper number of significant figures, (i) 45.67m + 3.1 m, (ii) 506.8-203.765

Express the results of the following calculations to proper number of

1.	Express the results of the following calculations to proper number of significant figures, (i) 45.67m + 3.1 m, (ii) 506.8-203.765
Answer» ANSWER : (i) 48.8 m (II) 33.00 (III) 382 (IV) 73.6