Simplified Rules for Significant Figures

forexample

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Unformatted text preview: itions
and
subtractions:
 The
number
of
significant
figures
in
the
result
of
an
addition
or
subtraction
is
 obtained
by
using
the
least
precise
number
in
the
calculation
(i.e.
look
at
the
 decimal
places
for
each
number!).
 For
example:
 274.46
+
12.1
=
286.56,
which
should
be
given
as
286.7
(final
result
given
to
 the
first
decimal
place
because
the
least
precise
of
the
two
numbers
(12.1)
is
 only
given
to
the
first
decimal
place).
 Significant
...
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This note was uploaded on 01/26/2014 for the course CHEM 3615 taught by Professor Aresker during the Spring '07 term at Virginia Tech.

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