Question

Measurement of numerical value and unit

Answer 1

 The nearly globally used system of measurements is the International System of units (so-called SI units), which goes back a long time and is based on the metre, second, kilogram, ampere, kelvin, candela and mole as the base units.

Answer 2

measurement =numerical value x unit. numerical value is inversely proportional to unit and vice versa , I. e bigger unit smaller numerical value and vice versa e. g. length of physical qty ( Q) =5m =500cm .