megorchard
megorchard
10-08-2016
Mathematics
contestada
why is 0.9 a rational number????
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richechik
richechik
10-08-2016
think it is because it is a number that terminates (meaning it doesnt go on and on forever)
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AL2006
AL2006
10-08-2016
-- Because it can be written as the ratio of two whole numbers.
Like this ===> 9/10
-- Because it can be written down completely using only digits
and a decimal point or fraction bar.
Like this ===> 0.9 or 9/10 .
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