The people of _ were the pioneers of decimal system.
Correct answer: B. Indus valley
- A. China
- B. Indus valley
- C. Euphrates
- D. Egypt
Explanation
The decimal system, which is based on powers of ten, is attributed to the ancient civilization of Indus Valley. This numerical system involves using digits from 0 to 9 and organizing them in a positional value system, where the value of a digit depends on its position within a number.
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