A box has mass $1.7\text{ kg}$, rounded to the nearest $0.1\text{ kg}$.
(a)[1]
State the lower bound for the mass of the box.
(b)[2]
The box contains $100$ jars. Each jar has mass $140$ grams, correct to the nearest $10$ grams. Calculate the lower bound of the combined mass of the box and the $100$ jars. Give your answer in kilograms.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “1.65” …