Suppose a certain person's visual acuityis such+hat he can see objects ciear Hthat torm an image 4.25 mm high on his retina. what isthe maximum dutance at which he can read the 75.cm high letters on the Side 07 an airplane in km? Assume the image IS 7ormed on his retina 2.00cm behind the lens in his eye i do,maxl = ? %3D
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The answer is not 3.7km
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- A rectangular airstrip measures 394m by 198m, with the width measured more accurately than the length. Find the area, taking into account three significant figures.A student added recorded measurements of 8.0 cm, 8.01 cm and 9.00 cm. (a) How many significant figures are in each value? (b) How should he report his result using the correct number of significant figures?What is the height of a cube? (cm)