For unit of length and mass and conversion .
The conversion relations between dm and m are given .The relation is as follows we can say that
1 m=10 dm.
thus,20 dm=2 m
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Well, honey, 20 meters is equal to 200 decimeters. So, if you're trying to convert meters to decimeters, just move that decimal point over one place to the right and voilà! You've got your answer.
1 meter = 10 decimeter so, 9 meters = 90 decimeters.
9 meters
No, 2 meters equals 20 decimeters
the answer is 3