(a)[1]
Write $64\,785\,491$ rounded to the nearest million.
(b)[2]
Using each number rounded to 1 significant figure, estimate the value of $\dfrac{67.8 + 49.5}{0.187^2}$.
Mathematics 4024 · O Level · Limits of accuracy
Mathematics 4024 · O Level · Limits of accuracy
Write $64\,785\,491$ rounded to the nearest million.
Using each number rounded to 1 significant figure, estimate the value of $\dfrac{67.8 + 49.5}{0.187^2}$.