High School

Which of the following is larger?

A. kilo- or nano-
B. milli- or micro-
C. kilo- or mega-

Answer :

Final answer:

In comparison, kilo- is larger than nano-, milli- is larger than micro-, and mega- is larger than kilo-, based on their respective multipliers regarding the base unit they are prefixed to. Therefore option (a) kilo- or nano- is the correct answer

Explanation:

The question involves comparing the size of metric prefixes, which denote orders of magnitude relative to a base unit. To clarify which of each pair is larger:

  • kilo- (k), which means 1,000 times the base unit (x 103), is larger than nano- (n), which means one-billionth (x 10-9) of the base unit.
  • milli- (m), meaning one-thousandth (x 10-3), is larger than micro- (μ), which means one-millionth (x 10-6).
  • kilo- is smaller than mega- (M), which means one million times the base unit (x 106).

Therefore, for the comparisons given:

  1. kilo- is larger than nano-.
  2. milli- is larger than micro-.
  3. mega- is larger than kilo-.

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