Quantities and Units Online Test – Multiple Choice Questions and Answers

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1. The difference between scientific and engineering notation is

 
 
 
 

2. The digits in a measured number that are known to be correct are called

 
 
 
 

3. A measure of the repeatability of a measurement of some quantity is

 
 
 
 

4. Current is measured in

 
 
 
 

5. Pico is what relation to micro?

 
 
 
 

6. The unit for frequency is the

 
 
 
 

7. Derived units are obtained from various combinations of

 
 
 
 

8. The number 14.8 can also be expressed as

 
 
 
 

9. Another name for “fundamental units” is

 
 
 
 

10. If you drop a 5 when rounding a number, you are using the

 
 
 
 

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