Ta có: \(4^{15}.5^{30}=4^{15}.\left(5^2\right)^{15}=4^{15}.25^{15}=\left(4.25\right)^{15}=100^{15}.\)
Vậy \(4^{15}.5^{30}=100^{15}\)
Ta có : \(4^{15}.5^{30}=4^{15}.5^{2.15}=4^{15}.\left(5^2\right)^{15}=4^{15}.25^{15}=\left(25.4\right)^{15}=100^{15}\)
Vậy : \(4^{15}.5^{30}=100^{15}\)