Quantities and Units Online Test – Multiple Choice Questions and Answers 1. The number 14.8 can also be expressed as 1.48 × 10-1 1.48 × 101 1.48 × 100 1.48 × 102 2. Derived units are obtained from various combinations of fundamental units international standards electrical quantities metric prefixes 3. A measure of the repeatability of a measurement of some quantity is accuracy significant error precision 4. Pico is what relation to micro? one-millionth one-thousandth one-hundredth one-tenth 5. Current is measured in volts watts henries amperes 6. Another name for “fundamental units” is letter symbols base units atoms the metric system 7. The difference between scientific and engineering notation is groupings of multiples of three digits single vs. multiple digits before decimal point powers of ten representation all 8. If you drop a 5 when rounding a number, you are using the retained digit rule significant digit rule round-to-even rule round-off rule 9. The unit for frequency is the second ampere hertz watt 10. The digits in a measured number that are known to be correct are called error digits accuracy digits significant digits precision digits Loading … Question 1 of 10
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