How do we calculate the number of angstroms in a millimetre?

1 Answer
anor277
Feb 22, 2016

With difficulty! 1 mm = 10^-3 m; 1 mum = 10^-6 m; 1 "angstrom" = 10^-10 m.

Explanation:

So 20 mm = 20xx10^-3cancelm xx 10^6 cancel(mum)*cancel(m^-1) xx 10^4" angstrom"cancel(*mum^-1) = ?? "angstroms".

Normally, the symbol for angstrom is a capital A with a circle on top.

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