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By converting 2500000mm³ into cm³, answer will be

  • A.250cm³
  • B.2500cm³
  • C.25cm³
  • D.25000cm³

Answer: B

A centimetre is 10 millimetres, so a cubic centimetre is \( 10^{3} \) cubic millimetres.

\[ 1 \text{ cm}^{3} = 1000 \text{ mm}^{3} \]

\[ 2{,}500{,}000 \text{ mm}^{3} = \frac{2{,}500{,}000}{1000} = 2500 \text{ cm}^{3} \]

Dividing by 10 or by 100 instead - the length and area factors - gives the two nearby distractors.

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