Practice problems chapter 1 section 3

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Name _____________________________ Date _________________ period ____
Skills Worksheet
Concept Review Section 1.3
Section: Organizing Data
1. Convert the following measurements from scientific notation to long form:
_____________________ a. 2.54  10–3 cm
_____________________ b. 9.5  104 km
_____________________ c. 3.3  10–1 L
_____________________ d. 7.445  102 g
2. Convert the following measurements to scientific notation:
_____________________ a. 325 kg
_____________________ b. 0.00046 m
_____________________ c. 7,104 km
_____________________ d. 0.0028 L
3. Find the number of significant digits in each of the following: Which ones are
measured??????????????? Which are place holders???????
_____________________ a. 0.00326 m
_____________________ b. 39,010 L
_____________________ c. 77,900.1 m
_____________________ d. 1.5300 hours
4. Identify the type of graph best suited to display the following:
a. the amount of iron ore in four different countries
_______________________________________________________________
b. the major gases found in Earth’s atmosphere
_______________________________________________________________
c. the price of crude oil since 1990
_______________________________________________________________
5. Explain how measurements can be precise but not accurate.
_______________________________________________________________
_______________________________________________________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science Spectrum
3
Introduction to Science
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