Discover Questions

Is Ohms law equation equivalent to the Poynting vector equation? How to get the highest number with the highest letter from excel data. eg: 4A, 5D, 3E, 4F, 5B is my data and the the highest value is 5D? The school shop bought calculators for£4.50 and sold them for £5.04.Calculate the percentage profit? Find all local minimum? Find the sum of the following infinite geometric sequences: 16,8,4?