Meaning of significant digit
Definition of significant digit
(noun)
any
digit
of a
number
that is
known
with certainty; any
digit
of a
number
beginning
with the
leftmost
non-zero
digit
and
ending
with the
rightmost
non-zero
digit
(or a
zero
considered
to be the
exact
value); "he
calculated
the
answer
to
four
significant
figures"
Other information on significant digit
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significant digit
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significant digit
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