How many wavelength of `Kr^(86)` are there is one metre

How many Angstrom are there in one metre ?

How make light years are there in one metre?

How many parsec are ther in one metre?

How many nanometres is one metre ?

How many nanometres are there in one metre ?

How many micrometers is one metre ?

Light emitted by Krypton 86 is 6057.8021 Å. Calculate number of wavelengths of Krypton 86 in one metre. What is the order of magnitude ?

How many kilometres are there in one metre?