Algebra Examples

Determine the Number of Significant Figures 6.02*10^23
6.021023
Step 1
Rules for determining significant figures:
Digits that are non-zero are significant.
Leading zeros are not significant.
Trailing zeros are significant only in the decimal portion of a number.
Zeros that are between significant digits are also significant.
Step 2
The underlined digits are the ones that are significant.
6.02·1023
Step 3
There are 3 significant figures.
3
6.021023
(
(
)
)
|
|
[
[
]
]
7
7
8
8
9
9
4
4
5
5
6
6
/
/
^
^
×
×
>
>
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
π
π
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]