The value of $\frac{1}{2} + \frac{1}{2 \cdot 3} + \frac{1}{2 \cdot 3 \cdot 4} + \frac{1}{2 \cdot 3 \cdot 4 \cdot 5}$ is correct to three places of decimal:

  • A
    $0.713$
  • B
    $0.715$
  • C
    $0.717$
  • D
    $0.718$

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