Quantities and Units Online Test – Multiple Choice Questions and Answers

1. The unit for frequency is the

 
 
 
 

2. The number 14.8 can also be expressed as

 
 
 
 

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

 
 
 
 

4. Pico is what relation to micro?

 
 
 
 

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

 
 
 
 

6. Another name for “fundamental units” is

 
 
 
 

7. The difference between scientific and engineering notation is

 
 
 
 

8. Current is measured in

 
 
 
 

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

 
 
 
 

10. Derived units are obtained from various combinations of

 
 
 
 

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