The initial volume of a gas cylinder is 750 ml if the pressure of a gas inside the cylinder changes from 840 mm hg to 360 mm hg

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.