Scelta multipla
Which metric prefix is equivalent to 0.01 base units?
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1. Intro to General Chemistry
Metric Prefixes
Scelta multipla
Which of the following correctly expresses the relationship between millimeters and kilometers?
A
1 km = 1,000 mm
B
1 km = 100,000 mm
C
1 km = 1,000,000 mm
D
1 km = 10,000 mm
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Recall the basic metric unit conversions: 1 kilometer (km) equals 1,000 meters (m), and 1 meter equals 1,000 millimeters (mm).
Express the relationship between kilometers and millimeters by combining these conversions: multiply the number of meters in a kilometer by the number of millimeters in a meter.
Write the equation: \(1\ \text{km} = 1,000\ \text{m} \times 1,000\ \text{mm/m}\).
Calculate the total number of millimeters in one kilometer by multiplying the two factors: \(1,000 \times 1,000\).
Conclude that \(1\ \text{km} = 1,000,000\ \text{mm}\), which matches the correct answer choice.
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