Scottish Higher: Physics | Prefixes, Units & Scientific Notation
Prefixes and Multipliers:
| Prefix | Numeric Multiplier |
|---|---|
| Tera (T) | 1012 |
| Giga (G) | 109 |
| Mega (M) | 106 |
| Kilo (k) | 103 |
| No Prefix | 100 (1) |
| Milli (m) | 10-3 |
| Micro (µ) | 10-6 |
| Nano (n) | 10-9 |
| Pico (p) | 10-12 |
Rounding & Sig Figures
- At the end / Final Answer
- Keep answer to the same number of significant figures as the question/input (The number in the question with least amount of significant figures/decimal places)
Standard Units (SCOTLAND):
| UNIT | MEASURE |
|---|---|
| Metres (M) | Distance / Length |
| Metres per Second (MS-1 or M/S) | Speed |
| Mililitres (ml) | Volume |
| Metres Per Second Per Second (MS-2 or M/S/S) | Acceleration |
| Pascals (Pa) | Pressure |
| Newtons (N) | Force |
| Volts (v) | Potential Difference / Voltage |
| Amperes (a) | Current |
| Coulomb (C) | Electric Charge |
| Kilograms (KG) | Mass |
The above are just a few of the most common examples of units.
Scientific Notation:
Always use scientific notation, Like:
3x108, and not 300'000'000
Note: These are Scottish Education Standards, Apart from the Prefixes so don't assume they are the same for you elsewhere
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