What are the basic prefixes used in the metric system and how do they relate to the size of the base unit?

Answer:

The common metric prefixes are kilo- (1,000 times the base unit), hecto- (100 times), deka- (10 times), deci- (one-tenth), centi- (one-hundredth), and milli- (one-thousandth). The base unit itself represents one unit.