[tex]3)a) {0}^{2} = 0[/tex]
[tex] {1}^{2} = 1[/tex]
[tex] {2}^{2} = 4[/tex]
[tex] {3}^{2} = 9[/tex]
[tex] {4}^{2} = 16[/tex]
[tex] {5}^{2} = 25[/tex]
[tex] {6}^{2} = 36[/tex]
[tex] {7}^{2} = 49[/tex]
[tex] {8}^{2} = 64[/tex]
[tex] {9}^{2} = 81[/tex]
[tex] {10}^{2} = 100[/tex]
[tex] {11}^{2} = 121[/tex]
[tex] {12}^{2} = 144[/tex]
[tex] {13}^{2} = 169[/tex]
[tex] {14}^{2} = 196[/tex]
[tex] {15}^{2} = 225[/tex]
[tex] {16}^{2} = 256[/tex]
[tex] {17}^{2} = 289[/tex]
[tex] {18}^{2} = 324[/tex]
[tex] {19}^{2} = 361[/tex]
[tex]b) {0}^{3} = 0[/tex]
[tex] {1}^{3} = 1[/tex]
[tex] {2}^{3} = 8[/tex]
[tex] {3}^{3} = 27[/tex]
[tex] {4}^{3} = 64[/tex]
[tex] {5}^{3} = 125[/tex]
[tex] {6}^{3} = 216[/tex]
[tex] {7}^{3} = 343[/tex]
[tex] {8}^{3} = 512[/tex]
[tex] {9}^{3} = 729[/tex]
[tex]4) {2018}^{2} - 2018 - 2017[/tex]
[tex] = 2018(2018 - 1) - 2017[/tex]
[tex] = 2018 \times 2017 - 2017[/tex]
[tex] = 2017(2018 - 1)[/tex]
[tex] = 2017 \times 2017[/tex]
[tex] = {2017}^{2} = > p.p[/tex]
[tex]5)2 + {2}^{1} + {2}^{2} + {2}^{3} + {2}^{4} + {2}^{5} [/tex]
[tex] = 2 + 2 + 4 + 8 + 16 + 32[/tex]
[tex] = 4 + 4 + 8 + 16 + 32[/tex]
[tex] = 8 + 8 + 16 + 32[/tex]
[tex] = 16 + 16 + 32[/tex]
[tex] = 32 + 32[/tex]
[tex] = 64 = 8 \times 8 = {8}^{2} = > p.p[/tex]