Irrational number or repeating decimal
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yes, repeating decimals (those that have infinite - never ending - number of digits after the decimal point and these decimals show repeating pattern) are rational numbers, because they can be written as fractions.
The decimal that never stops is called recurring decimal. For example - 1/3 = 0.3333... and goes on. Such decimals are written with a dot or bar on top of the numbers which are repeating.
It is always positive, and not just for decimal numbers but for all numbers.
It is a non-terminating decimal.
No. Pie is commonly known as 3.14 however pie has a never ending sequence of numbers after the 4