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Decimals in expanded form

Represent the expression
(5×1000)+(7×10)+(8×1)+(1×110)+(2×1100)(5\times1000)+(7\times10)+(8\times1)+\left ( 1\times\dfrac{1}{10} \right )+\left (2\times\dfrac{1}{100} \right )
as a decimal number.
  • Your answer should be
  • an integer, like 66
  • an exact decimal, like 0.750.75
  • a simplified proper fraction, like 3/53/5
  • a simplified improper fraction, like 7/47/4
  • a mixed number, like 1 3/41\ 3/4