The length and breadth of a table are (125+-0.4)cm and (75+-0.5)cm respectively. What is the area of the table?

The length and breadth of a table are (125+-0.4)cm and (75+-0.5)cm res

1.	The length and breadth of a table are (125+-0.4)cm and (75+-0.5)cm respectively. What is the area of the table?
Answer» SOLUTION :Length of the small PIECE `=(15.1+-0.1)-(11.9+-0.2)`. The ERROR in the length of this remaining pencil `=0.2=0.1+` error in the length of small piece, which should be 0.1. So the length of the small piece `=(15.1-11.9)+-0.1=(3.2+-1)CM`