6. what is the metric system prefix for the quantity 0.000 001? a) centi- b) deci- c) kilo- d) micro-

Answer :  The correct option is, (d) micro-

Explanation :

Metric system : The Metric System measured the things in meters, grams, liters, etc and adds prefixes like kilo, milli and centi to the count orders of the magnitude.

In metric system, a metric prefix is a unit prefix that comes before the basic unit of measure to indicate the fraction of the unit.

Metric system (factor)          Prefix            Symbol

1000                                       kilo-                  k

100                                        hecto-                h

10                                           deca-                da

0.1                                           deci-                 d

0.001                                      centi-                 c

0.0001                                    milli-                  m

0.0000001                            micro-                 μ

Hence, according to the metric system prefix the prefix used for 0.000001 is, micro-

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