There’s been a mystery lurking in one of the most unassuming parts of mathematics for centuries. When German mathematician ...

The answer is therefore \(12.0\). This can then be given as \(12\) unless you are asked to give an answer to 'one decimal place'. THis would mean keeping in one digit after the decimal point.

These are decimal numbers, and dots above some of the ... Two dots next to each other mean both digits repeat infinitely, or recur, in the order in which they appear. And two dots on non ...