Tolong bantu kerjain ya kak pakai jalan nya terima kasih

Tolong bantu kerjain ya kak pakai jalan nya terima kasih

Jawaban Terkonfirmasi

A.
${( {2}^{2} )}^{3} times 2 \ = {2}^{2 times 3} times 2 \ = {2}^{6} times 2 \ = {2}^{6 + 1} \ = {2}^{7} = 128$
b.
${3}^{4} div {3}^{3} times {3}^{3} \ = {3}^{4} div {3}^{3 + 3} \ = {3}^{4} div {3}^{6} \ = {3}^{4 - 6} \ = {3}^{ - 2} \ = frac{1}{ {3}^{2} } \ = frac{1}{9}$