Question

calculati : a) 5 supra 3 la puterea a 3 a b) patratul lui 7 supra 3 c) cubul lui 2 supra 3

Answer 1

$a)$
$(\frac{5}{3} )^3= \frac{5^3}{3^3} = \frac{125}{27}$ 

$b)$
$(\frac{7}{3} )^2= \frac{7^2}{3^2} = \frac{49}{9}$ 

$c)$
$(\frac{2}{3} )^3= \frac{2^3}{3^3} = \frac{8}{27}$