Quantities and Units Online Test – Multiple Choice Questions and Answers

1. Derived units are obtained from various combinations of

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. Current is measured in

 
 
 
 

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

 
 
 
 

6. The number 14.8 can also be expressed as

 
 
 
 

7. The unit for frequency is the

 
 
 
 

8. The difference between scientific and engineering notation is

 
 
 
 

9. Pico is what relation to micro?

 
 
 
 

10. Another name for “fundamental units” is

 
 
 
 

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