# Metric System (SI) Prefixes

## Can you name the prefixes for the International System of units?

|    | Factor | Prefix | Symbol |
|----|--------|--------|--------|
| 1030 |        | Q      |
| 1027 |        | R      |
| 1024 |        | Y      |
| 1021 |        | Z      |
| 1018 |        | E      |
| 1015 |        | P      |
| 1012 |        | T      |
| 109  |        | G      |
| 106  |        | M      |
| 103  |        | k      |
| 102  |        | h      |
| 101  |        | da     |
| 10-1 |        | d      |
| 10-2 |        | c      |
| 10-3 |        | m      |
| 10-6 |        | µ      |
| 10-9 |        | n      |
| 10-12|        | p      |
| 10-15|        | f      |
| 10-18|        | a      |
| 10-21|        | z      |
| 10-24|        | y      |
| 10-27|        | r      |
| 10-30|        | q      |

**Note:** SI is the formal French name for the metric system.

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- Quiz last updated on: Dec 6, 2022

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- [Chemistry Quiz](/content/games/subcategory/chemistry/index.html)
- [Numbers Quiz](/content/games/subcategory/numbers/index.html)
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- [Metric System](/content/games/tags/metricsystem/index.html)
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