Question

(2a⁷b)³

me ajudem a resolver isso (potências)
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Answer 1

Oie, tudo bom?

$= (2a {}^{7} b ){}^{3}$

$= 2 {}^{3} \: . \: (a {}^{7} ) {}^{3} \: . \: b {}^{3}$

$\boxed{ = 8a {}^{21}b {}^{3} }$

Att. NLE Top Shotta