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Orders of magnitude
Names for multiples or divisions of numbers e.g. a mega (something) is 1 followed by 6 zeros, micro is a decimal point followed by six zeros
| Prefix | Power of ten |
|---|---|
| yocto- | 10-24 |
| zepto- | 10-21 |
| atto- | 10-18 |
| femto- | 10-15 |
| pico- | 10-12 |
| nano- | 10-9 |
| micro- | 10-6 |
| milli- | 10-3 |
| centi- | 10-2 |
| deci- | 10-1 |
| (none) | 100 |
| deka- | 101 |
| hecto- | 102 |
| kilo- | 103 |
| mega- | 106 |
| giga- | 109 |
| tera- | 1012 |
| peta- | 1015 |
| exa- | 1018 |
| zetta- | 1021 |
| yotta- | 1024 |