Write a balanced half-reaction for the reduction of nitrate lon to gaseous nitric oxide (NO) in acidic aqueous solution. Be sure to add physical State symbols where appropriate

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.