Question

9 Задание на фотографии .

Answer 1

$frac{(2 a^{2} b ^{3} ) ^{3} *(0,5a b^{2}) ^{2} }{(3a^{2}b ^{3} ) ^{4} }= frac{8a ^{6}b ^{9} * 0,25 a^{2}b ^{4} }{81 a^{8}b ^{12} }= frac{2}{81}a ^{6+2-8} b ^{9+4-12} = frac{2}{81}b$
Если $b=6 frac{3}{4},$  то
$frac{2}{81}*6 frac{3}{4}= frac{2}{81}* frac{27}{4} = frac{1}{6}$