Answer :

ujalakhan18

Answer:

1:1000

Step-by-step explanation:

It is 0.1%

0.1 in fraction is 1/10

% in fraction is 1/100

So

0.1%=1/10*100

=1/1000

Or in the ratio form it can be written as

1:1000

Answer: the answer is 1/1000

Step-by-step explanation:

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