•How many cm.  is  132. pm?
•(1) Identify the given quantity and its unit; identify the unit sought
•
•             
•
•(2) Gather useful unit-factors and outline a logical, systematic sequence of  conversions
•
•
•
•
•
•(3)  Set  up conversions,  following  your outline and verifying the proper  placement of  units in the unit factors.
•
•
•
•(4)  Place appropriate numbers in the unit factors and carry out in indicated operations
•                  
                      1x 10-10  cm
   
  1 pm
  pm
 given           sought
cm
pm   x
cm
132. pm x
 1.32 x 10-8    cm
 1 pm      
1 x 10-10
cm
  pm
m
cm
 132  pm
cm
=
=
=
cm
pm