7.
[tex](( - {4})^{3} {)}^{2} = ( - 4 {)}^{6} [/tex]
Odp.D
8.
a)
[tex]( - 2 {)}^{8} \times {3}^{8} = ( - 2 \times 3 {)}^{8} = - {6}^{8} [/tex]
Fałsz
b)
[tex]( - 2 {)}^{7} \times {3}^{7} = ( - 2 \times 3 {)}^{7} ={ - 6}^{7} [/tex]
Fałsz
c)
[tex] {16}^{5} \div {8}^{5} = (16 \div 8 {)}^{5} = {2}^{5} [/tex]
Prawda
d)
[tex]( - 16 {)}^{5} \div ( - 8 {)}^{5} = ( (- 16) \div ( - 8 {))}^{5} = {2}^{5} [/tex]
Prawda
