The number of digits about which we can be certain. In whole numbers, all digits before the decimal point are significant, except final place-holding zeroes. Example: in 120, there are 2 significant digits. In decimal fractions, all digit after the decimal point are significant except those zeroes immediately following the decimal point.
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SIGNIFICANT DIGIT
The number of digits about which we can be certain. In whole numbers, all digits before the decimal point are significant, except final place-holding zeroes. Example: in 120, there are 2 significant digits. In decimal fractions, all digit after the decimal point are significant except those zeroes immediately following the decimal point.
EXAMPLES:
In 0.120, there are 3 significant digits.
In 0.0120, there are 3 significant digits.
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