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Sig Fig Rules:
1.
Non zero
numbers
always
count
2. Zeros
trapped
between non zeros
always
count.
3. Zeros
before
non zeros
do not
count.
4. Zeros
after decimals always
count
Sig Fig Examples
104.85 =
8.500 =
0.0006 =
500.0 =
104.85 = 5
8.500 = 4
0.0006 = 1
500.0 = 4
Sig Fig with Scientific Notation
5.000 x 10
^{3}
=
5.00 x 10
^{3}
=
5.0 x 10
^{3}
=
5.000 x 10
^{3}
= 4
5.00 x 10
^{3}
= 3
5.0 x 10
^{3}
= 2
Adding and Subtracting Sig Fig: always....
...
round
to the figure with the
lowest
number of
digits
following the
decimal point
.
i.e. 1.0342193 + 2.3 = 3.3342193
Round to 1 dp = 3.3
Multiplying and Dividing: always...
...
round
to the figure with the
lowest
number of
significant figures
.
e.g. 30.3 x 0.004 = 0.1212
Round to 1 sf = 0.1
Author
Anonymous
ID
4501
Card Set
Chem 1 Notes
Description
My random Chemistry Notes that may not make sense to anyone else.
Updated
2010-01-19T14:43:27Z
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