The area of a wooden plank approximated to 3 significant figures is 34300 sq m While making its sides - Maths -

Question

The area of a wooden plank approximated to 3 significant figures is
34300 sq m While making its sides and corners smooth,3/13 of it is
wasted What is the largest area (in sq m) of the remaining plank
correct to 2 places of decimal

Rajat Sethi · Accepted Answer

Area of wooden plank=34300 m2Area wasted in finishing=(313)th of areaRemaing area=1-313=1013th of area=1013×34300=26384
61 m2

The area of a wooden plank approximated to 3 significant figures is 34300 sq.m. While making its sides and corners smooth,3/13 of it is wasted. What is the largest area (in sq.m) of the remaining plank correct to 2 places of decimal.