Seudónimo Seudónimo
  • 29-07-2018
  • Mathematics
contestada

What is the decimal equivalent of 3/9?


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A. 0.2

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B. 0.3

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C. 0.4

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D. 0.5

Respuesta :

gmany
gmany gmany
  • 29-07-2018

[tex]\dfrac{3}{9}=\dfrac{3:3}{9:3}=\dfrac{1}{3}=0.3333...=0.\overline{3}\to B.[/tex]

for the future:

[tex] \dfrac{1}{9}=0.\overline{1}\\\\\dfrac{2}{9}=0.\overline{2}\\\\\dfrac{3}{9}=0.\overline{3}\\\vdots\\\\\dfrac{n}{9}=0.\overline{n}\ for\ n\in\{1;\ 2;\ 3;\ ...;\ 9\} [/tex]

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