In which century did positional decimal fractions first appear in an A…

Question

In which century did positional decimal fractions first appear in an Arab book?

Accepted Answer

A. 10th century

1. Positional decimal fractions first appear in a book by the Arab mathematician al-Uqlidisi.
2. He wrote it in the 10th century.
3. The 16th century is Stevin's time, and the 1st and 2nd centuries are far too early.
_Source: Wikipedia, Decimal, section History of decimal fractions_

Answer

2nd century

Answer

1st century

Answer

16th century

In which century did positional decimal fractions first appear in an Arab book?

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