Question

If the cube of $n$ is $729$. Find the square root of $n$.

• A. $9$
• B. $7$
• C. $3$
• D. None of the above

Answer 1

Answer: (C)

$3$

$n^3=729$
$⟹n=9$
$⟹\sqrt{n}=3$ or $-3.$