Question

when converting between units in the metric system, you multiply and divide by factors of... 10 varying numbers based on the base unit. 20 two

Explanation:

The metric system is a decimal system, meaning unit conversions involve multiplying or dividing by powers of 10 (e.g., 1 meter = 10 decimeters, 1 kilogram = 1000 grams = \(10^3\) grams). The other options don't fit: varying numbers would be non - decimal, 20 and 2 aren't metric system conversion factors.

Answer:

10 (the option with "10")