Every measurement is limited by the precision of the measurement
device. Care should be taken in recording measurements. To a scientist, a measurement
of "2.3 cm" has a different meaning
than a measurement of "2.30 cm" even
though the value of the measurement is exactly the same. The measurements 2.3
cm and 2.30 cm reflect the limitations of the measuring device.
1. What is the correct measurement of the blue bar using Ruler
2. What is the correct measurement of the blue bar using Ruler