Question: 4 the width of a road is measured as 153...
4. The width of a road is measured as 15.3 m wide. What is the percentage error correct to one decimal place of this measurement?
5 Rainwater from the roof of a house is collected in a tank beside the house.
During a storm, 12 mm of rain fell on the roof.
If the area of the roof is 49m^2, how many litres of water collected in the water tank due to the storm?
6 What is the surface area of a globe of the world, which has a diameter of 30.4 cm?
Answer to the nearest square centimetre