Textbook Question
What type of quantity (for example, length, volume, density) do the following units indicate? f. nm
1. Intro to General Chemistry
SI Units
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Which is the longest distance?
A
2.50 m
B
25.0 cm
C
250 dm
D
0.00250 km
E
All are the same distance.
Verified step by step guidance1
Convert each distance to the same unit for comparison. Let's use meters (m) as the common unit.
Convert 25.0 cm to meters: \( 25.0 \text{ cm} = 0.25 \text{ m} \) because 1 cm = 0.01 m.
Convert 250 dm to meters: \( 250 \text{ dm} = 25.0 \text{ m} \) because 1 dm = 0.1 m.
Convert 0.00250 km to meters: \( 0.00250 \text{ km} = 2.50 \text{ m} \) because 1 km = 1000 m.
Compare all the converted distances in meters: 2.50 m, 0.25 m, 25.0 m, and 2.50 m. Identify the longest distance.
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