Question

-2la a 3 : 1pe4=
(3pe5)totul la a 2 :25pe9
(-1pe3)totul la a 3 x8
-9:-1pe27

Answer 1

$(-2)^{3} *4=-8*4=-32$
$( \frac{3}{5}) ^{2} * \frac{9}{25} = \frac{9}{25} *\frac{9}{25}= \frac{81}{625}$
$( \frac{-1}{3}) ^{3} *8= \frac{-3}{27} *8= \frac{-24}{27}$
$-9: \frac{1}{7} =-9*7=-63$