Question

como se faz?
$( - 5.21) {}^{3} x \: ( - 5.21) { }^{8}$
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Answer 1

(-5,21)^3 × (-5,21)^8 = (-5,21)¹¹ ✓

(1/7)^2 . (1/7)^6 = (1/7)^8 ✓