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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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
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