Interpret the meaning of prefixes for very small and very large units of measurement, such as 'nano', 'micro', 'mega', 'giga' and 'tera'
| 1. | Rule The World 20 - cm to mcm | |
| 2. | Rule The World 19 - m to mcm | |
| 3. | Rule The World 18 - nm to cm | |
| 4. | Rule The World 17 - mm to nm | |
| 5. | Rule The World 16 - mcm to mm |