The density of a material in the shape of a cube is determined by measuring three sides of the cube and its mass. If the relative errors in measuring the mass and length are respectively $1.5\%$ and $1\%$,the maximum error in determining the density is ........ $\%$

  • A
    $3.5$
  • B
    $4.5$
  • C
    $6$
  • D
    $2.5$

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