Question

this prefix means 1000 *
your answer

how many versions of the same conversion factor (or equivalence statement) are there? (type your answer in as a number)
your answer

Explanation:

The prefix that means 1000 is "kilo -". For conversion factors, for any given equivalence, there are 2 versions. For example, if 1 meter = 100 centimeters, the two versions of the conversion factor are $\frac{1\ m}{100\ cm}$ and $\frac{100\ cm}{1\ m}$.

Answer:

kilo
2