The plant is 125 mm tall.
Luis measures a plant and finds it is 12.5 centimeters tall.
To convert centimeter into millimeter multiply by 10.
Therefore,
The plant is millimeters tall is the plants is;
1 cm = 10mm
Then,
12.5 mm = 12.5 × 10 = 125 mm
Therefore, the plant is 125 mm tall.
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