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Support Same-System Unit Conversion
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PPM.169 Support Same-System Unit Conversion
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A student is reading the kilometer-meter-centimeter factor card shown. Which first step is best for converting 1.2 kilometers to centimeters?
A
Start by adding 1000 and 100 because both numbers appear on the card.
B
Start with meters to centimeters because centimeters are the final unit, even though meters are not the starting amount.
C
Start with kilometers to meters using 1 kilometer = 1000 meters, because it matches the starting unit.
D
Start by dividing by 100 because centimeters are smaller than meters.
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