•What volume is 473 mL expressed in hL.?
•(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
•                  
       1 x 10-5 hL
473  mL   x¾¾¾¾ ¾  = 4.73 x 10-3 hL                   1   mL
mL
  mL
    given      sought
hL
1 mL= 1 x 10-3 L     1 hL = 1 x 102L
 1 mL   =  
1 x 10-5
hL
 473 mL
    hL
  mL
L
hL
hL
x
hL
mL
=