Aryabhata - Who Discovered "Zero-0"

Name his country and state

Aryabhata’s birthplace is uncertain, but it may have been in the area known in ancient texts as Ashmaka India which may have been Maharashtra or Dhaka.

my entry is https://steemit.com/school/@acrowland/so-young-and-sweet

but i do have a question i am not sure how or if I upvoted it 100 % i don't know what that means . I have only been on steemit for about 2 months.