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Use each number in the calculation rounded to 1 significant figure to find an estimate for the value of $\frac{28.2 - 5.6}{4.2 \times 1.68}$. You must show all your working.
Mathematics 0580 · IGCSE · Estimation
Mathematics 0580 · IGCSE · Estimation
Use each number in the calculation rounded to 1 significant figure to find an estimate for the value of $\frac{28.2 - 5.6}{4.2 \times 1.68}$. You must show all your working.