Ascorbic Acid or Vitamin C

500 mg

Bacteria

Powers of 10 in meters

SI (International System) Base Units

Quantity Written Unit Unit Symbol

Length metre m

Mass gram g

Time second s

Amount of substance

mole mol

volume litre L

Prefix Abbreviation Exponent giga G 109

mega M 106 kilo k 103 hecto h 102 deca da 101 deci d 10-1 centi c 10-2 milli m 10-3 micro 10-6 nano n 10-9 pico p 10-12