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Discuss wach of the following in a brief paragraph.

1. What is the importance of an experimental control in an experiment?

2. List the steps of the scientific method. Use specific examples to explain each step.

3. Explain the following measurements in scientific notation
a. 0.000 000 072 10g
b. 204.500 m
c. 0.003 57
d. 101,325 Pa
e. 690,000,0000 W

4. Perform the following unit converstions:
a. 0.085 490 atm to pasclas
b. 12 centimeters
c. 3.76 hr to minutes
d. 137 J to calories


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