Write with Rational (Fractional) Exponents seventh root of (3c)^5

$\sqrt[7]{{(3 c)}^{5}}$

Step 1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[7]{{(3 c)}^{5}}$ as ${(3 c)}^{\frac{5}{7}}$ .