greater precision than the equipment supports. The concept of significant figures is often used in connection with rounding. Rounding to n significant figures is a more general-purpose technique than rounding to ndecimal places, since it handles numbers of different scales in a uniform way. For example, the population of a city might only be known to the nearest thousand and be stated as 52,000, while the population of a country might only be known to the nearest million and be stated as 52,000,000…
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