
Evaluate
each of the following
and write the answer
to the ap
propriate
number
of significant
figures.
a.
212.2
+
26.7
+
402.09
b.
1.0028
+
0.221
+
0.10337
c.
52.331
+
26.01

0.9981
d. 2.01
X
10
2
+
3.014
X
10
3
e. 7.255

6.8350

Perform the following
mathematical
operations,
and express each
result to the correct
number
of significant
figures.
0.102
X
0.0821
X
273
1.01
b.
0.14
X
6.022
X
1023
C.
4.0 X 10
4
X
5.021
X
10
3
X 7.34993
X
10
2
d.
2.00
X
10
6
3.00
X
10
7
a.
_ • Perform
the following
mathematical
operations
and express
the
result to the correct
number
of significant
figures.
2.526
0.470
80.705
a.
++
3.1
0.623
0.4326
b.
(6.404
X
2.91)/(18.7

17.i)
c.
6.071
X
10
5

8.2 X 10
6

0.521
X
10
4
d.
(3.8 X
10
12
+
4.0
X
10
13
)/(4
X
10
12
+
6.3 X 10
13
)
9.5
+
4.1
+
2.8
+
3.175
4
(Assume
that this operation
is taking the average of four num
bers. Thus 4 in the denominator
is exact.)
8.925

8.905
00
r.
8.925
X
1
(This type of calculation
is done many times in calculating
a
percentage
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This note was uploaded on 12/13/2010 for the course CHEM 2301 taught by Professor Bill during the Spring '10 term at South Texas College.
 Spring '10
 bill
 Organic chemistry

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