he was the one who invented algebra
and he's full name is Muhammad ibn Mūsā al-Khwārizmī
born in 780b.c, Baghdad, Iraq died 850 b.c
The above is completely wrong. He was born c. 780 C.E. (Otherwise known as A.D.) and died c. 850 C.E.
he was a Muslim mathematician
thanks for reading hope I helped
the best answer: zero
All the digits! Muhammad ibn Musa al-Khwarizmi gave the West all of the Hindu digits and much more besides. Please see the link.