Which South American civilization is said to have created a decimal number system?
Correct answer: Incas

Indira
I always thought that the decimal system came from India where the Vedic scholars introduced the zero

little b
I've not heard of the number ursvel

Mars V
The only one I’ve ever heard of.

Barbie Girl Go
The only American Civilization I knew about was 'Inca' , so I went for it and it was right!