Who discovered this "0" and when ?

plz answer fast ​

Brahmagupta a scholar and mathematician in AD 628 first time defined zero and its operation and developed a symbol for it which is a dot underneath the numbers. ... Then, Aryabhatta a great mathematician and an astronomer used zero in the decimal system.

sorry hindi ko alam yung iba alam pls sagutannyo ns

muhammad (pbuh) was the messenger of allah (swt) his mission was to praise the name of his lord and the words of his lord thats where the qur'an comes in

less available tax revenue

this basically means that when they get money from taxes wirth having a lower gdp they get less then what others have with a higher gdp