What achievements were made by Muslims in science and mathematics

The 7th to the 13th century was the golden age of Muslim learning. In mathematics they contributed and invented the present arithmetical decimal system and the fundamental operations connected with it: addition, subtraction, multiplication, division, exponentiation, and extracting the root. They also introduced the ‘zero’ concept to the world. Hope this helps!

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To be honest i thinks its between the first answer and the third answer