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daquanrutledge
daquanrutledge daquanrutledge
  • 29-07-2016
  • Mathematics
Answered

which one of the following rational number is equal to 2.8 repeating

which one of the following rational number is equal to 2.8 repeating class=

Verified Answer :

konrad509
konrad509 konrad509
  • 29-07-2016

\(x=2.\overline{8}\\ 10x=28.\overline{8}\\ 10x-x=28.\overline{8}-2.\overline{8}\\ 9x=26\\ x=\boxed{\dfrac{26}{9}}\)

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