Answer:
54.0 m²
Step-by-step explanation:
The area of any rectangular object can be calculated by the formula,

Here, L is the length, W is the width and A is the area.
According to question, the length of the carpet is 8.71 m and the width of the carpet is 6.2 m.
Therefore area of the carpet is,

Therefore the area of the carpet upto proper significant digit is 54.0 m².