Simplify cube root of 216/16

$\sqrt[3]{\frac{216}{16}}$

Cancel the common factor of $216$ and $16$ .

Factor $8$ out of $216$ .

$\sqrt[3]{\frac{8 (27)}{16}}$

Cancel the common factors.

Factor $8$ out of $16$ .

$\sqrt[3]{\frac{8 \cdot 27}{8 \cdot 2}}$

Cancel the common factor.

$\sqrt[3]{\frac{8 \cdot 27}{8 \cdot 2}}$

Rewrite the expression.

$\sqrt[3]{\frac{27}{2}}$

Rewrite $\sqrt[3]{\frac{27}{2}}$ as $\frac{\sqrt[3]{27}}{\sqrt[3]{2}}$ .

$\frac{\sqrt[3]{27}}{\sqrt[3]{2}}$

Simplify the numerator.

Rewrite $27$ as $3^{3}$ .

$\frac{\sqrt[3]{3^{3}}}{\sqrt[3]{2}}$

Pull terms out from under the radical, assuming real numbers.

$\frac{3}{\sqrt[3]{2}}$

Multiply $\frac{3}{\sqrt[3]{2}}$ by $\frac{{\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{2}}$ .

$\frac{3}{\sqrt[3]{2}} \cdot \frac{{\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{2}}$

Combine and simplify the denominator.

Multiply $\frac{3}{\sqrt[3]{2}}$ by $\frac{{\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{2}}$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{\sqrt[3]{2} {\sqrt[3]{2}}^{2}}$

Raise $\sqrt[3]{2}$ to the power of $1$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{1} {\sqrt[3]{2}}^{2}}$

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{3 {\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{1 + 2}}$

Add $1$ and $2$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{{\sqrt[3]{2}}^{3}}$

Rewrite ${\sqrt[3]{2}}^{3}$ as $2$ .

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[3]{2}$ as $2^{\frac{1}{3}}$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{{(2^{\frac{1}{3}})}^{3}}$

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{2^{\frac{1}{3} \cdot 3}}$

Combine $\frac{1}{3}$ and $3$ .

$\frac{3 {\sqrt[3]{2}}^{2}}{2^{\frac{3}{3}}}$

Cancel the common factor of $3$ .

Cancel the common factor.

$\frac{3 {\sqrt[3]{2}}^{2}}{2^{\frac{3}{3}}}$

Rewrite the expression.

$\frac{3 {\sqrt[3]{2}}^{2}}{2^{1}}$

Evaluate the exponent.

$\frac{3 {\sqrt[3]{2}}^{2}}{2}$

Simplify the numerator.

Rewrite ${\sqrt[3]{2}}^{2}$ as ${(2^{2})}^{\frac{1}{3}}$ .

$\frac{3 \sqrt[3]{2^{2}}}{2}$

Raise $2$ to the power of $2$ .

$\frac{3 \sqrt[3]{4}}{2}$

The result can be shown in multiple forms.

Exact Form:

$\frac{3 \sqrt[3]{4}}{2}$

Decimal Form:

$2.38110157 \dots$

Simplify cube root of 216/16

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