A value with zero uncertainty and an infinite number of significant figures is called an exact number.
A value that is known with confidence is called an exact number. In other terms, an exact integer has an infinite number of significant digits and zero uncertainty. It is impossible to simplify or reduce an exact number. A value with zero uncertainty and an infinite number of significant figures is called an exact number. A value that is known with confidence is called an exact number. In other terms, an exact integer has an infinite number of significant digits and zero uncertainty. It is impossible to simplify or reduce an exact number.
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