The length, breadth and thickness of a block are given by $l=12 \mathrm{cm},b=6 \mathrm{cm}$ and $t=2.45 \mathrm{cm}$. The volume of the block according to the idea of significant figures should be

• A

  $1\times {10}^2{ \mathrm{cm}}^3$

• B

  $2\times {10}^2{ \mathrm{cm}}^3$

• C

  $1.763\times {10}^2{ \mathrm{cm}}^3$

• D

  None of these