Download Chemistry 0500 Problem Set 1: Significant Figure and Exponential

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Chemistry 0500
Problem Set 1: Significant Figure and Exponential Notation Problems (Taken from
the Chemistry 1000 Lab Manual, 2004-05 edition, University of Lethbridge
Department of Chemistry and Biochemistry)
Addition and Subtraction
1. 19.7348
18.92
22.659
21.50
2. 235.0001
139.78
134.0
3.
4.
9.0
1.52
3.01
10.6381
-9.234
5. 79.32
-7.6498
Multiplication and Division
1. 139
x 1.324
2. 35.36
x .00573
3. 19.34 =
.56
4. 36.35 x 273.1 =
23.0
Exponential Numbers
Change to exponential numbers and carry out the following calculations:
1. .0000764 x .0273 =
2. .00906 x .000000360 =
3. .00307
÷ .0000452 =
4. .000431 ÷ .0540 =
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