What does the prefix mega- signify?

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Study for the NBCT Mathematics AYA Component 1 exam. Utilize flashcards and multiple-choice questions with detailed explanations for each question. Prepare efficiently for success in your teaching certification journey!

Multiple Choice

What does the prefix mega- signify?

Explanation:
Mega- is a metric prefix that means one million. In the metric system, prefixes represent powers of ten, so mega- corresponds to 10^6. That’s why megawatt or megabyte means a quantity of one million watts or bytes. For comparison, kilo- stands for one thousand (10^3), centi- denotes one hundredth (10^-2), and the prefix for a billion is giga- (10^9). So the best answer is one million.

Mega- is a metric prefix that means one million. In the metric system, prefixes represent powers of ten, so mega- corresponds to 10^6. That’s why megawatt or megabyte means a quantity of one million watts or bytes. For comparison, kilo- stands for one thousand (10^3), centi- denotes one hundredth (10^-2), and the prefix for a billion is giga- (10^9). So the best answer is one million.

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