High School

The SI units of kilogram, kilometer, and kilowatt all use the same prefix, "kilo." What does "kilo" mean?

A. Ten
B. Hundred
C. Thousand
D. Million

Answer :

Final answer:

The prefix 'kilo' means 'one thousand,' hence a kilogram is 1000 grams, a kilometer is 1000 meters, and a kilowatt is 1000 watts. Option C.

Explanation:

The prefix "kilo" in kilogram, kilometer, and kilowatt refers to a multiple of the unit by one thousand. Therefore, a kilogram is 1000 grams, a kilometer is 1000 meters, and a kilowatt represents 1000 watts of power. In the context of the given choices, the correct answer would be (c) Thousand.

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