mm (10^-3) is most common used it varies on what your measuring eg km wont measure a 50cent coin
and pm wont measure a football field
Basic Metric system
10^12 - Tera
10^9 - Giga
10^6 - Mega
10^3 - Kilo
10 - Unit
10^-1 - deci
10^-2 - centi
10^-3 - milli
10^-6 - micro
10^-9 - nano
10^-12 - pico
2.5cm is the most precise measurement of the two measurements.
Its 12.000
What determines how precise a measurement is
Since it was based on the length of a forearm, it wasn't precise enough or standardized.
It is precise if it is repeatable.
Feet
Usually in cm or inches.
No. An answer is only as precise as the least precise measurement from which it was calculated.
measuring tape
2.5cm is the most precise measurement of the two measurements.
Its 12.000
What determines how precise a measurement is
a mm is a tenth of a cm. This makes it a thousanth of a metre. It is a small and precise unit of measurement.
Since it was based on the length of a forearm, it wasn't precise enough or standardized.
It is precise if it is repeatable.
Choose the one with the most decimal places.
This should not be taken as a precise measurement of 1 mm, but this hypen: - is approximately a millimeter in length. It's the closest I can do on the keyboard.