Last Updated：2025/11/20
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The measurement 10 ± 0.3 is often written with a plus-minus sign to indicate the uncertainty.
See correct answer
The measurement 10 ± 0.3 is often written with a plus-minus sign to indicate the uncertainty.
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Related words
plus-minus sign
Noun
(mathematics)
the
symbol
±,
meaning
"plus
or
minus",
used
to
indicate
the
precision
of
an
approximation
(as
in
"The
result
is
10
±
0.3",
meaning
the
result
is
anywhere
in
the
inclusive
range
from
9.7
to
10.3),
or
as
a
convenient
shorthand
for
a
quantity
with
two
possible
values
of
opposing
sign
and
identical
magnitude
(as
in
"The
roots
of
the
equation
x²
-
4
=
0
are
±2").
Japanese Meaning
数学において、±記号（プラスマイナス記号）を指し、数値がある基準値±の範囲内にあることを示す記号。 / ある値がプラスの値とマイナスの値の両方の可能性を持つこと、または正と負の両方向を示すために使われる記号。
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