Simplify cube root of cube root of 9

$\sqrt[3]{\sqrt[3]{9}}$

Step 1

Rewrite $\sqrt[3]{\sqrt[3]{9}}$ as $\sqrt[9]{9}$ .

$\sqrt[9]{9}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\sqrt[9]{9}$

Decimal Form:

$1.27651800 \dots$

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