The table below shows metric units of mass, with the relationship of each unit to 1 gram represented as a power of 10. Metric Units of Mass
Units
Power of 10
Microgram
10 Superscript negative 6
Milligram
10 Superscript negative 3
Centigram
10 Superscript negative 2
Gram
10 Superscript 0
Kilogram
10 cubed

Which statement comparing these measures is true?
A microgram is 1,000 times greater than a milligram.
A milligram is 10 times greater than a centigram.
A centigram is 100 times greater than a microgram.
A kilogram is 100,000 times greater than a centigram.