is 9.99999... repeating forever equal to one ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((

No, it would be equal to 10.

 

If you were trying to type "Is 0.999999999 repeating equal to 1," then yes, it is equal to 1.

 

There is a proof that can help you understand why it is so on wikipedia: (https://en.wikipedia.org/wiki/0.999...#Digit_manipulation)