Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

For $I = \dfrac{V}{R}$, the quantity $V$ is $50$, rounded to the nearest $10$, and $R$ is $13$, rounded to the nearest integer.

(main)[3]

Calculate the upper bound for $I$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$4.4$” …