609th post: When not to round off numbers
You come across a number that looks something like 27634279.3478295 and wonder how to round that off. Most people would just simply say 30 million or 25 million. Sometimes, however, knowing what the exact number can be important. Makes a difference when over/under estimation is involved, but when it comes to just talking to people about how big the number is, saying this can be quite a mouthful. Anyway, I'm here to talk about rounding off numbers that you would come across for money. Before I go on, note that some countries uses "." or a space to separate 3 digits of whole numbers, and "," for decimals. For countries like India , the first group contains 3 digits, but subsequent groups contain only 2 digits. Situations where you are more likely to come across more than 2 decimal places for money (or, depending on currency, trailing digits that are more than the lowest denomination) when calculating taxes or dealing with foreign currency. Here's an exa