a)
[tex]5 \times {5}^{2} \times ( {5}^{2} {)}^{3} = {5}^{1} \times {5}^{2} \times {5}^{6} = {5}^{1 + 2 + 6} = {5}^{9} [/tex]
Fałsz
b)
[tex] a = 12\\ \\ {a}^{5} \div {3}^{5} = {12}^{5} \div {3}^{5} = (12 \div 3 {)}^{5} = {4}^{5} = ({2}^{2} {)}^{5} = {2}^{10} [/tex]
Prawda
