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Is kilogram the only base unit with a prefix?
The kilogram is not a base unit, the gram is.Additional AnswerYes, you are quite correct, the kilogram is the only SI base unit with a prefix. The above answer is unfortunately incorrect.
The unit of measurement prefix means one billionth?
"nano-"
What is a subunit of measurement for a meter?
Subunits can be abbreviated using the first letter of the prefix and the first letter of the base unit (all lowercase): mm = millimeter, kg = kilogram, etc. Meters are simply, "M" because they do not have a prefix, they are a base unit in themselves.
Is a millisecond half of a second?
No, a millisecond is not half of a second. A millisecond is 1000th of a second. The prefix milli comes from the metric system and by definition means 1000th of the base unit (in this case seconds).
Why is a liter bigger than a milliliter?
A liter is the metric base unit for volume. The prefix "milli-," in this case, means "one-thousandth." So a milliliter is one-thousandth of a liter. Therefore, a liter is bigger.
