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saveliy_v [14]
3 years ago
15

Help me please if you can

Mathematics
1 answer:
telo118 [61]3 years ago
3 0

Answer:

B. \sqrt[7]{81}

E. (\sqrt[7]{3})^4

Step-by-step explanation:

Given radical expression:

3^{\frac{4}{7}}

To write the radical in simple expressions.

Solutions:

Rules for radicals.

<em>When exponent is a fraction:</em>

x^{\frac{1}{a}=\sqrt[a]{x}

x^{\frac{b}{a}=\sqrt[a]{x^b}\ or\ (\sqrt[a]{x})^b

Thus, we can write the expression given as:

3^{\frac{4}{7}}

⇒ \sqrt[7]{3^4}

⇒ \sqrt[7]{81}

Or

3^{\frac{4}{7}}

⇒ (\sqrt[7]{3})^4

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