megorchard megorchard
  • 10-08-2016
  • Mathematics
contestada

why is 0.9 a rational number????

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richechik
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 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 .
Answer Link

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