Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

A car moves at a steady speed. It covers 146.2 m, accurate to 1 decimal place. The journey lasts 7 seconds, accurate to the nearest second.

(main)[3]

Calculate the upper bound for the speed of the car.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method used: \(\frac{146.2+0.05}{7-0.5}\)” …