1 Armstrong unit is equal to how many kilometres explain with process.I will mark you as brainliest
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Answer:
A kilometer (km) is a decimal multiple of the base SI unit of length, the meter, which is defined as the length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second. A kilometer is now used officially for expressing distances between geographical places on land in most of the world with notable exceptions being the United States and the United Kingdom.
The ångström (A) is a unit of length equal to 10⁻¹⁰ m or 0.1 nm. Its symbol is the Swedish letter Å. The ångström is used in the natural sciences and technology to express very small sizes comparing to that of atoms, and molecules. The ångström is not formally a part of the International System of Units (SI) and its use is officially discouraged in SI. The closest SI unit, the nanometer (10⁻⁹ m), is recommended for use instead of ångström.
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