Quantities and Units Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

4. The unit for frequency is the

 
 
 
 

5. The difference between scientific and engineering notation is

 
 
 
 

6. Current is measured in

 
 
 
 

7. The number 14.8 can also be expressed as

 
 
 
 

8. Derived units are obtained from various combinations of

 
 
 
 

9. Another name for “fundamental units” is

 
 
 
 

10. Pico is what relation to micro?

 
 
 
 

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