How many oz. is 200. mg?
(1) Gather useful unit factors (unit relationships)
(2) 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
10-3 g
¾¾
1 mg
g
¾¾ x
mg
mg
given sought
oz
1 mg = 1 x 10-3 g 1
lb = 454 g 16 oz = 1 lb
mg
lb.
oz
mg x
lb
¾¾ g
= oz
200. mg x
16 oz
x¾¾
1 lb
=
7.04 x 10-3 oz
g
oz
x¾¾ lb
1
lb
x ¾¾¾
454 g