a)
[tex] {5}^{4} = {5}^{2} \times {5}^{2} = 625[/tex]
b)
[tex] {4}^{5} = { ({2}^{2}) }^{5} = {2}^{10} = 32 \times 32 = 1024 [/tex]
c)
[tex]( { - 1})^{7} = - 1[/tex]
d)
[tex]( { - 2})^{4} = 4 \times 4 = 16[/tex]
e)
[tex]( {0.1})^{2} = \frac{1}{10} \times \frac{1}{10} = \frac{1}{100} = 0.01[/tex]
f)
[tex]( {1.2})^{2} = \frac{12}{10} \times \frac{12}{10} = \frac{36}{25} = 1 \frac{11}{25} = 1 \frac{44}{100} = 1.44[/tex]
g)
[tex]( { \frac{3}{4} )}^{4} = \frac{9 \times 9}{16 \times 16} = \frac{81}{256} [/tex]
h)
[tex]( { - 1 \frac{1}{4}) }^{2} = - \frac{5}{4} \times ( - \frac{5}{4}) = \frac{25}{16} = 1 \frac{9}{16} [/tex]
