If $27 = a^{3}$ , find the value of $a$ .

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Solution

The correct option is C $3$
Given, $a^{3} = 27$ .
Prime factorising, we get,
$27 = 3 \times 3 \times 3$ .
Also, $a = \sqrt[3]{a^{3}}$ .
Then, the value of $a = \sqrt[3]{27} = \sqrt[3]{3^{3}} = 3$
$⟹ a = 3$ .
Hence, option $C$ is correct.

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