Quantities and Units Online Test – Multiple Choice Questions and Answers

1. The number 14.8 can also be expressed as

 
 
 
 

2. The difference between scientific and engineering notation is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Another name for “fundamental units” is

 
 
 
 

6. Derived units are obtained from various combinations of

 
 
 
 

7. Current is measured in

 
 
 
 

8. The unit for frequency is the

 
 
 
 

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

 
 
 
 

10. Pico is what relation to micro?

 
 
 
 

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