Astronomy Practice Exam

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What does 'Kilo' represent in the large scale nomenclature?

1,000
1,000,000
1,000,000,000
1

The correct answer is: 1,000

In large scale nomenclature, 'Kilo' is a metric prefix that stands for 1,000, or 10^3. This prefix is commonly used in various scientific fields, including astronomy, to simplify the representation of large numbers. For example, one kilometer (km) represents 1,000 meters, and one kilogram (kg) represents 1,000 grams. The use of 'Kilo' helps streamline calculations and communication when dealing with large quantities, making it easier to compare and understand measurements. The other options represent larger values or different contexts: one million (1,000,000) corresponds to the prefix 'Mega,' one billion (1,000,000,000) corresponds to the prefix 'Giga,' and the number one (1) does not reflect any prefix in the metric scale.