a)
[tex] {25}^{4} \times {5}^{8} = ({5}^{2} {)}^{4} \times {5}^{8} = {5}^{8} \times {5}^{8} = {5}^{16} = 25 ^{8} [/tex]
Odp.A
b)
[tex] {25}^{4} \div {5}^{8} = ({5}^{2} {)}^{4} \div {5}^{8} = {5}^{8} \div {5}^{8} = {5}^{0} [/tex]
Odp.C