tolong bantu jawab dong kaks
[tex]2. \\ a .\sqrt[2]{ {7}^{3} } = {7}^{ \frac{3}{2} } \\ b. \sqrt[5]{ 36 } = \sqrt[5]{ {6}^{2} } = {6}^{ \frac{2}{5} } [/tex]
[tex]3. \\ \frac{1}{4} {a}^{ - 2} \times {2}^{ - 2} {a}^{3} \times 16 {a}^{ - 1} \\ = {2}^{ - 2 } {a}^{ - 2} \times {2}^{ - 2} {a}^{3} \times {2}^{4} {a}^{ - 1} \\ = {2}^{ - 2 + ( - 2) + 4} {a}^{ - 2 + 3 + ( - 1) } \\ = {2}^{0} {a}^{0} = 1[/tex]
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