SI Units and Prefixes Quiz

SI Units and Prefixes

• Some products' packaging uses units other than SI units.
• Prefixes are added to SI units to create smaller or larger units.
• A 'kilo-' prefix means a factor of 1000, so one kilometre equals 1000 metres.
• A 'milli-' prefix means a factor of 1/1000, so one milligram equals 0.001 gram.

Table 2.2: Commonly Used Prefixes

• Table 2.2 lists common prefixes and their meanings (factors of 10).
• Prefixes like tera (T), giga (G), mega (M), kilo (k), hecto (h), deca (da), deci (d), centi (c), milli (m), micro (µ), nano (n), and pico (p) are used to modify base units like meters and grams.
• The table shows the numerical values associated with these prefixes, e.g., 1 tera = 1,000,000,000,000