These are decimal numbers, and dots above some of the digits make them recurring decimals. One dot means the digit under it repeats infinitely. In other words, it goes on forever (and ever and ever).

Dot notation is used with recurring decimals. The dot above the number shows which numbers recur, for example \(0.5\dot{7}\) is equal to 0.5777777... and \(0.\dot{2}\dot{7}\) is equal to 0.27272727 ...

Even with very limited expertise in mathematics, many of us know that a recurring decimal is one that repeats itself forever. Regretably, we here in Antigua and Barbuda are again faced with a vexing ...

1/3 can be written as 0.33333… (with a string of 3s going on forever) and 4/9 can be written as 0.44444… . We call these recurring decimals. Use a calculator to see what 1/11, 2/11 and 3/11 are as ...

The video starts by explaining the relationship between fractions and decimals, emphasizing that both represent parts of a whole. You’ll learn the basic process of converting a fraction to a decimal ...

WHILE experimenting with a system of counting by twelves, 1 suddenly I came upon a series of numbers that behaved in the most extraordinary way. Discovery followed discovery. One day the whole ...

THIS is a comprehensive text-book clearly written and well arranged. There is a useful chapter on abridged methods and approximations, and a note (in the appendix) on the metric system. Compound ...