The metric system uses several symbols to represent different powers of ten. The most common include:
| Name | Prefix | Power of 10 | Example |
|---|---|---|---|
| mega | M | 6 | 90.9 MHz |
| kilo | k | 3 | 110 km/hr |
| centi | c | -2 | 30 cm |
| milli | m | -3 | 10 mg |
| micro | μ | -6 | 0.6 μm |
| nano | n | -9 | 400 - 700 nm |
| pico | p | -12 | 50 pF |