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Volume with unit cubes


is 1 cubic unit.
What is the volume of the following figure?
All of the cubes are visible.
A single-layer figure has the following arrangement, starting from left to right: 3 cubes back, 1 cube right, 2 cubes arranged in back-front direction, 2 cubes right, and 2 cubes front.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
cubic units