Suppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick, assuming that it is one molecule thick, and that each molecule occupies a cube 0.50 μm on a side. Express your answer using two significant figures.

2) IP A standard sheet of paper measures 8 1/2 by 11 inches. Find the area of one such sheet of paper in m2. Express your answer using two significant figures.

A second sheet of paper is half as long and half as wide as the one described in part A. By what factor is its area less than the area found in part A?