Tolong yang di lingkari

Tolong yang di lingkari

No a
$= {8}^{ frac{2}{9} + frac{4}{9} } \ = {8}^{ frac{6}{9} } \ = {( {2}^{3} )}^{ frac{2}{3} } \ = {2}^{2} = 4$
no c
$= {9}^{ frac{3}{4} + frac{6}{8} } \ = { ({3}^{2}) }^{ frac{6 + 6}{8} } \ = {( {3}^{2}) }^{ frac{12}{8} } \ = {3}^{2 times frac{12}{8} } \ = {3}^{3} = 27$
no e
$= {32}^{ frac{7}{5} - frac{3}{5} } \ = { ({2}^{5} )}^{ frac{4}{5} } \ = {2}^{5 times frac{4}{5} } \ = {2}^{4} = 16$
no g
$= {64}^{ frac{1}{2} - frac{7}{6} } \ = { ({2}^{6}) }^{ frac{3 - 7}{6} } \ = {2}^{6 times frac{ - 4}{6} } \ = {2}^{ - 4} = frac{1}{ {2}^{4} } = frac{1}{16}$