# Math Help - Significant Figures

1. ## Significant Figures

If the length of a rectangle is 6 cm and the area is 30 cm² each of which is correct to 1 s.f. Find the greatest possible value of the width of the rectangle to two decimal places.

Thanks in advance.

2. So to give you the highest possible value for the width, take 35cm^2 as the area and 5.5cm as the length, then work out as you normally would.
35/5.5