(main)[2]
Find an estimated value.
Mathematics 0580 · IGCSE · Limits of accuracy
Limits of accuracy — practice question
After rounding each number in the calculation to 1 significant figure, find an estimate for the value of $\frac{36.9 + 24.2}{3.8 - 1.2}$. You are required to show all your working.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The expression $\frac{40+20}{4-1}$ has been set up correctly.” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI