Subtract 20 mg - 1 mg 19 m 19 g 19 mg 19 g Since the un
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Subtract: 20 mg - 1 mg
A.
19 m
B.
19 g
C.
19 mg
D.
1.9 g
Please scroll down to see the correct answer and solution guide.
Right Answer is: C
SOLUTION
Since the units are same, the values can be easily subtracted
20 mg - 1 mg = 19 mg