Measurements in fields such as nanotechnology, semiconductor manufacturing, and atomic force microscopy require accuracy to billionths of a unit, often expressed in nanometers or angstroms. This level of precision is necessary to control the size, shape, and properties of materials at the atomic and molecular scales.
Electromagnetic waves between 700 and 400 billionths of a meter are in the visible light spectrum. They have wavelengths ranging from approximately 400 to 700 nanometers, encompassing the colors of the rainbow.
what kind of measurement to use when finding the area of a 2d shape
A voltmeter has greater accuracy when measuring direct current. This kind of current is constant unlike alternating current which has constant fluctuations.
Volume measurement
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vectors and scalars.....
Line measurement.
observation
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"Nano" (as a prefix for any kind of unit) means billionth. One nanosecond = 0.000 000 001 seconds.
Measurement is a cornerstone (requirement) of commerce (business) and because of this is required for any kind of Society.