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TEST BANK FOR RESPIRATORY CARE SCIENCES: AN INTEGRATED APPROACH, 5TH EDITION, WILLIAM V. WOJCIECHOWSKI
- Exam (elaborations) • 12 pages • 2024
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1. How should 0.0000008 be expressed in proper scientific notation? 
a. 
8.00 × 107 
b. 8.00 × 10-7 
c. 
80.00 × 10-8 
d. 
0.08 × 10-5 
ANSWER: b 
2. Perform the following mathematical operation: (4.21 × 10-8) ÷ (4.21 × 10-9). 
a. 0.001 
b. 0.01 
c. 0.1 
d. 10.0 
ANSWER: d 
3. Multiply 2.41 cm by 1.421 cm. 
a. 
3.42461 cm2 
b. 
3.42 cm2 
c. 
3.425 cm2 
d. 
3.4246 cm2 
ANSWER: b 
4. How many significant digits are in the number 4.12 × 10-10? 
a. 7 
b. 5 
c. 3 
d. 1 
ANSWER: c 
5. What is ...
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