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SI Units
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2. What are the 7 base SI units? Base quantity Name Symbol length meter m mass kilogram kg time second s electric current ampere A thermodynamic temperature kelvin K amount of substance mole mol luminous intensity candela cd
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10. What do the prefixes mean? Factor 10³ 10² 10-¹ 10-¹ 10-² 10-³ Name kilo hecto deca deci centi milli Symbol k h da d c m