Which prefix represents 1,000?

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Multiple Choice

Which prefix represents 1,000?

Explanation:
Understanding SI prefixes that denote powers of ten is the key idea here. The prefix that represents 1,000 is kilo-, meaning 10^3, and its symbol is k. This shows up in everyday units like kilometer (1000 meters) or kilogram (1000 grams). The other prefixes represent larger powers of ten: mega- stands for 10^6 (one million), giga- for 10^9 (one billion), and tera- for 10^12 (one trillion). In practice, you’ll see kilo- used for thousands, while the others scale up by factors of 1,000.

Understanding SI prefixes that denote powers of ten is the key idea here. The prefix that represents 1,000 is kilo-, meaning 10^3, and its symbol is k. This shows up in everyday units like kilometer (1000 meters) or kilogram (1000 grams).

The other prefixes represent larger powers of ten: mega- stands for 10^6 (one million), giga- for 10^9 (one billion), and tera- for 10^12 (one trillion). In practice, you’ll see kilo- used for thousands, while the others scale up by factors of 1,000.

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