a) [tex]5^{54}= (5^{27})^2 patrat perfect[/tex]
b) [tex]7^{58}=(7^{29})^2[/tex]
c) [tex]4^{53}= (2^{2})^{53}= (2^{53})^2[/tex]
d) [tex]9^{29}= (3^{2})^{29}=(3^{29})^2[/tex]
e) [tex]17^{26}=(17^{13})^2[/tex]
f) [tex]25^{31}=(5^{2})^{31}=(5^{31})^2[/tex]
g) [tex]13^{34}=(13^{17})^2[/tex]
h) [tex]49^{27}=(7^{2})^{27}=(7^{27})^2[/tex]
