a) 5
[tex] \sqrt{ {5}^{2} } \\ 5 \times 5 = 25 \\ \sqrt{25} = 5[/tex]
b) 6
[tex] \sqrt[3]{ {6}^{3} } \\ 6 \times 6 \times 6 = 216 \\ \sqrt[3]{216} = 6[/tex]
c)
[tex] \sqrt{ {2}^{6} } \\ 2 \times 2 \times 2 = 8 \\ \sqrt{8} [/tex]
d) 256
[tex]\sqrt{ {4}^{ - 8} } \\ 4 \times 4 \times 4 \times 4 \times 4 \times 4 \times 4 \times 4 = 65.536 \\ \sqrt{65.536} = 256
[/tex]
e) 49
[tex] \sqrt[5]{ {7}^{10} } \\ 7 \times 7 \times 7 \times 7 \times 7 \times 7 \times 7 \times 7 \times 7 \\ \times 7 = \: 282.475.249 \\ \sqrt[5]{282.475.249} = 49[/tex]
