The volume of the rectangular block is $(x) (x^{2}) (3 x^{3})$ cubic centimetres.
It can be simplified as.

3 x^{6}

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3 x^{5}

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3 x^{3}

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Solution

The correct option is A $3 x^{6}$
On multiplying $x$ with $x^{2}$ , its power is raised to 3.
i.e., $x \times x^{2} = x^{3}$
then, multiplying $x^{3}$ with $3 x^{3}$ , its power is raised to 6.
i.e. $x^{3} \times 3 x^{3} = 3 x^{6}$

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