GRE Problem Solving Question 521

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Source: Magoosh

If (10^a)*(10^b)*(10^c) = 1,000,000, and a, b, and c are different positive integers, then 10^a + 10^b + 10^c =

  • A 1011
  • B 1100
  • C 1101
  • D 1110
  • E 1111

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