Simplify $$$\left(343 x^{9}\right)^{\frac{2}{3}}$$$.

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_m21_qp_22 Year：2021 Question No：18

Answer:

$49 x^{6}$ final answer

E2.4.1 Use and interpret positive, negative and zero indices.

E2.4.2 Use and interpret fractional indices.

E2.4.3 Use the rules of indices.

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